2) For many years, it was believed that the Earth was flat, that the Earth was the center of the universe, and that the fire and water were part of the basic building blocks of life. As new evidence emerges or new discoveries are made, the way we explain the world changes. Which of these is a conflicting argument in science today? A) gravity B) the cell theory C) species change over time D) human caused global warming

QUESTION POSTED AT 26/03/2020 - 01:04 PM

Answered by admin AT 26/03/2020 - 01:04 PM

The answer is D. because cause a climate change which put a hole in the ozone layer  which cause heat radiation 
Post your answer

Related questions

How could genetic drift explain differences in genotype frequencies among populations?

If a population experiences a form of genetic drift, then their genome/genetic code would change. This then can cause the frequency to follow as well. Best example I can think of right now is moths in the Industrial Revolution: all of the soot released into the air caused the moths to be easily seen by birds that ate them (they were all white). This then caused those that were darker, like dark brown to match its new surroundings, weren't eaten by the birds because they could blend in. This caused the phenotype frequency (and therefore genotype) to change to having dark moths being more common than light. And we still see that today! Most moths are still dark brown. 

ANSWERED AT 03/04/2020 - 05:46 PM


QUESTION POSTED AT 03/04/2020 - 05:46 PM

Identify two ways an adaptation helps a species? I need help on this problem soon please! Thanks!

1. food meaning their source food could no longer be there so they have to search for something else to eat in order for survival 
2. weather meaning the weather of which that animal is used to has chnaged for ex.) in Antarctica the weather is getting warmer so the polar bears and pennguins can adapt or die 

ANSWERED AT 01/04/2020 - 01:47 PM


QUESTION POSTED AT 01/04/2020 - 01:47 PM

What is binomial nomenclature for human beings

The binomial nomenclature for a human is Homo Sapiens. Binomial means two names, and nomenclature means to chose a name. Therefore the two word classification of a human being is homo sapiens. (It also means wise man)

ANSWERED AT 01/04/2020 - 01:47 PM


QUESTION POSTED AT 01/04/2020 - 01:47 PM

PLEASE HELP!!! ASAP 30 POINTS!! Why are the Galapagos Islands important in our understanding of how species adapt to their enviornment? Discuss it's geographic location, what Darwin concluded, and the research of the Grants.

Darwin’s research showed that finches beaks are different to fit their food source. It also started the theories of evolution and natural selection. The Grant’s research on the Galapagos Islands showed that evolution exists and can happen over a course of two years. They proved Darwin’s theories are true. Since all the plants and animals are native to the islands, they had to adapt to the new food source and climate. Beaks, size, etc. are all changes made to these organisms to be able to live on the islands. 

The Galapagos Islands are located in Ecuador and sit on the Pacific Ocean. The Galapagos Islands were formed from 3 million to 5 million years ago. Volcanic eruptions typically shield volcanoes formed the islands. They are located over a “particularly hot mantel” that causes volcanic activity. The outcome of many eruptions were islands because the left overs were pushed to the surface. The Galapagos islands are pretty big reaching an area of 3,093 miles. The temperatures range from 69 to 84 degrees creating a typically warm climate. 

Darwin studied medicine at age 16, but became fascinated specimens around the globe. He developed theories of natural selection and evolution. While he was on the Galapagos islands, he studied thirteen different species of finches.

 He observed finches and different beak structures. He observed their ability to consume foods such as nuts, bugs, and fruit. He concluded all were related to their beaks. For example, long, slender beaks are good to reach in the flowers of a cactus.

Charles concluded that the finches beaks are examples of adaptive radiation. To fit in the island, they had to adapt to the conditions. This lead to Charles’ theory of natural selection. 

Charles came to the conclusion of evolution and natural selection. Natural selection is the process where organisms adapt to their environment to survive and produce more offspring. Evolution is where different kinds of living organisms are thought to have developed. These theories have changed science forever and leave today’s scientists marveling of his theories.

I hope this helps:)

ANSWERED AT 01/04/2020 - 01:38 PM


QUESTION POSTED AT 01/04/2020 - 01:38 PM

Algal blooms occur due to the presence of an excess amount of nutrients, like phosphorus, in fresh water. How does excess phosphorus get into fresh water? A) The nutrients are added to the water by fishermen to feed the fish. B) The nutrients leak into fresh water from oil refineries in the vicinity. C) The nutrients are a part of the fertilizers that are often washed away into ponds. D) The nutrients are formed by the decomposition of organic wastes dumped into fresh water.

The algal blooms can be defined as the rapid growth of the algae in the water bodies. These algal blooms are a result of the excess amounts of nutrients, such as phosphorus, in the water. These excess nutrients are released in the fresh water bodies as a result of the fertilizers that are washed away from the agricultural fields nearby. The fertilizers are rich in nutrients such as phosphorus to help the plant to grow. When they get washed into the water bodies, they promote the growth of the algae leading to algal bloom.

Hence, the correct answer is 'Option C - The nutrients are a part of the fertilizers that are often washed away into ponds'.

ANSWERED AT 01/04/2020 - 01:35 PM


QUESTION POSTED AT 01/04/2020 - 01:35 PM

Zebra mussels are native to Poland and the Soviet Union. They were probably transported to the United States via trans-oceanic vessels. With no natural predators in the United States, zebra mussels A) will eventually die out due to lack of food supplies. B) caused a huge decline in native clam and mussel populations. C) compete unsuccessfully with native mussels and quickly die. D) successfully share the niche with native mussels and clams.

Correct answer: B). Caused a huge decline in native clam and mussel populations.  

The Zebra mussels are the water animals that are D- shell, which is made up of hinged valves that are joined together by a ligament. The main problem with them is that they filter water in order to eat the plankton. As they eat the plankton, it creates a competition between them and fish for food.

They are known to kill mussels population by attaching to their shells, they also out compete for food native mussels.

Hence, the correct answer would be option B.


ANSWERED AT 01/04/2020 - 01:32 PM


QUESTION POSTED AT 01/04/2020 - 01:32 PM

What are examples of the plant life and animal life that can be found in each type of terrarium? Be specific and include many types of life that could be found.

Desert
plants- shrubs get moisture from morning dew

cacti holds a lot of water

elephants tree uses huge trunk to save water
animals coyote has fur to keep cool

tortuous uses back legs to help dig

Jackrabbit uses ears to help cool down

Arctic Tundra-
animal's- polar bear, reindeer, Arctic fox
plants- Arctic Willow, bearberry, Arctic moss

The Savanna
animals- lion, elephant, zebra
plants- Jarrah tree, Jackuberry Tree, Elephant grass

I'm sorry I could not tell u all the information for the biomes. this is all I had time to right

ANSWERED AT 01/04/2020 - 01:32 PM


QUESTION POSTED AT 01/04/2020 - 01:32 PM

Algal blooms occur due to the presence of an excess amount of nutrients, like phosphorus, in fresh water. How does excess phosphorus get into fresh water? A) The nutrients are added to the water by fishermen to feed the fish. Eliminate B) The nutrients leak into fresh water from oil refineries in the vicinity. C) The nutrients are a part of the fertilizers that are often washed away into ponds. D) The nutrients are formed by the decomposition of organic wastes dumped into fresh water.

Answer: Option C

Explanation:

The nutrients that is carried away by the water from the agricultural wastes are part of the fertilizer that is put on to increase the growth of the plants.

The nutrients from the fertilizer is carried away by the water that passed from the field to the nearby freshwater source.

The water carries phosphorus which increases the growth of the algal bloom in water. The algae uses all the oxygen from the water and makes the water deficient of oxygen.

Hence, the correct answer is option C

ANSWERED AT 01/04/2020 - 01:30 PM


QUESTION POSTED AT 01/04/2020 - 01:30 PM

The single MOST important factor contributing to the modern-day extinction of hundreds of species on Earth is A) acid rain. B) invasive species. C) greenhouse effect. D) habitat destruction.

Answer:

The correct answer would be option D. Habitat destruction.

Habitat destruction contributes the most in the loss of biodiversity these days.

More and more space is required to fulfill the demands of increasing human population.

More and more natural habitats are being destroyed for building houses, agriculture, building dams, roads, pipes, industries et cetera.

Consequently, a large number of wild species die due to lack of resources.

ANSWERED AT 01/04/2020 - 01:29 PM


QUESTION POSTED AT 01/04/2020 - 01:29 PM

Describe the function of each organelle. 1- Cytoplasm 2- Chloroplasts 3- Cell wall 4- Centrioles

Answer and Explanation:

Cytoplasm: the cytoplasm is in the space between the nucleus and the plasma membrane. It supports diferent kinds of structures as the organelles.Cytoplasm is as the interior environment of cell. The cytoskeleton in the cytoplasm provedes support and movement.

Centrioles,: they help to move and organize chromosome during cell reproduction.

Cell wall: is the boundary of the cell and encloses the cytoplasm. It leads the movement of certain substances and bars the passage of other substances.

It's a comunication device because some pf its proteins serve as receptors.

CHLOROPLAST: It converts light energy into chemical energy. It produces energy through photosynthesis.

ANSWERED AT 01/04/2020 - 01:29 PM


QUESTION POSTED AT 01/04/2020 - 01:29 PM

What's three differences between human and a animal

1.) animals can live in all types of different weather and humans cant
2.) Humans can talk animals cant
3.) Animals hunt for there food humans have to buy theres

ANSWERED AT 01/04/2020 - 01:28 PM


QUESTION POSTED AT 01/04/2020 - 01:28 PM

(2006-27) Bivalves, such as clams, are found in salt water. The clam captures food particles from water that flows over its gills. Which of these is the best classification of the clam? a. A chunk feeder b. A decomposer c. A filter feeder d. A grazer

Answer:

c. A filter feeder

Explanation:

  • Filter feeders are those organisms that feed on the food particles by straining them from water and then taking them in.
  • The straining of water takes place through specialized structures which acts as filters.
  • Since in the given case, the bivalves are capturing the food particles that are flowing over their gills, they are performing filer feeding.

ANSWERED AT 01/04/2020 - 01:27 PM


QUESTION POSTED AT 01/04/2020 - 01:27 PM

Moves substances to and form all cells of the body ? What is the human organ system

I believe it's the Circulatory system

ANSWERED AT 01/04/2020 - 01:26 PM


QUESTION POSTED AT 01/04/2020 - 01:26 PM

Describe the function of each organelle. 1- Vacuoles 2- Lysosomes 3- Mitochondrion 4- Cell membrane

Answer:

vacuoles -

Vacuoles are membrane-bound sacs within the cytoplasm of a cell that function in several different ways. In mature plant cells, vacuoles tend to be very large and are extremely important in providing structural support, as well as serving functions such as storage, waste disposal, protection, and growth.

Lysosomes

One of the key organelles involved in digestion and waste removal is the lysosome. Lysosomes are organelles that contain digestive enzymes. They digest excess or worn out organelles, food particles, and engulfed viruses or bacteria. Lysosomes are like the stomach of the cell.

Mitochondrion

Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.Cell membrane

ANSWERED AT 01/04/2020 - 01:22 PM


QUESTION POSTED AT 01/04/2020 - 01:22 PM

Explain the purpose of a quick body response like pulling a hand a way from a hot stove.

The amygdala would recognize the danger and immediately do something about it, it typically puts us in a fight or flight mode, in this case it is flight as we are moving our hand away from a burning stove that could cause serious damage. Your brain knows that a burning stove is bad to touch because many a person has told you that in your life, ex. "Don't leave the stove running when you are not in the room." So naturally you would'nt.

ANSWERED AT 01/04/2020 - 01:21 PM


QUESTION POSTED AT 01/04/2020 - 01:21 PM

Describe the function of each organelle. 1- Nucleus 2- Ribosome 3- Endoplasmic reticulum 4- Golgi apparatus

Answer and explanation;

Nucleus, Ribosome, Endoplasmic reticulum, and Golgi apparatus are among the cellular organelles that are tasked to different activities in a cell.

Nucleus;

  • It is the control center of the cell. It controls all the activities and functions of a cell, such as cell metabolism and reproduction.
  • Additionally; the nucleus contains the genetic material, that is, the DNA, which carries the information that is used to make proteins through the messenger RNA.

Ribosomes;

  • Ribosomes are organelles that are either found suspended in the cytoplasm or attached to the rough enedoplasmic reticulum.
  • They are sites for protein synthesis and carry out this fuction by assembling the amino acids in the apropriate sequences as instructed by the mRNA.

Endoplasmic reticulum;

  • This is a network of membranous canals filled with fluid. They carry material through out the cells,
  • They are two types; the rough endoplasmic reticulum and the smooth endoplamic reticulum.
  • Rough ER is lined with the ribosomes, and helps in the transportation of proteins to the golgi apparatus.
  • Smooth ER has no ribosomes, and functions in the making and transportation of lipids.

Golgi apparatus.

  • They are also called golgi bodies. They are stacks of flattened membranous stacks.
  • Their function is to process and package proteins. Golgi apparatus also synthesis lysosomes.

ANSWERED AT 01/04/2020 - 01:17 PM


QUESTION POSTED AT 01/04/2020 - 01:17 PM

A student has noticed that she can't see objects clearly when they are far away. An eye doctor diagnoses her as being nearsighted. What type of lens could help the student correct her vision problem? A.) Convex lens B.) Flat lens C.) Diverging lens D.) Converging lens

✦ Explanation

The best lens for nearsightedness would be diverging lens. It helps equip the eye to see things clearly when they're far away. 

Answer: Letter C

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia

ANSWERED AT 01/04/2020 - 01:16 PM


QUESTION POSTED AT 01/04/2020 - 01:16 PM

Which group of plants is MOST adapted to live in regions where the layer of soil beneath the surface stays frozen all the time?

Im pretty sure its Xerophyte.

ANSWERED AT 01/04/2020 - 01:15 PM


QUESTION POSTED AT 01/04/2020 - 01:15 PM

Who is at the biggest risk of developing type 1 diabetes A. A 10 yo boy B. A 35 yo woman C. A 50 yo man or D. A 75 yo woman

I believe it is D because as you get older your  risk for developing type 1 diabetes is greater than at a younger age. Type 1 typically affects older individuals whereas type 2 usually affects younger individuals. 

ANSWERED AT 01/04/2020 - 01:10 PM


QUESTION POSTED AT 01/04/2020 - 01:10 PM

The demand on the Earth's lithosphere is dramatically increasing. Why should we look for alternative sources of energy other than just relying on fossil fuels? A) Fossil fuels are non-renewable and exhaustible and their combustion causes air pollution. B) Fossil fuels are renewable and plentiful, but their combustion causes air pollution. C) Fossil fuels are plentiful, so alternative sources are not needed. D) Fossil fuels are not profitable for energy companies.

A. the reason they are called non-renewable resource is that it takes a long time to for them to regenerate-basically longer then our lifespan. Also they do cause air pollution-which is causing the green house affect that is putting the demand on Earth's Lithosphere.

ANSWERED AT 31/03/2020 - 10:48 AM


QUESTION POSTED AT 31/03/2020 - 10:48 AM

In the earliest stages of development the embryos of a fish, calf, human, and tortoise all look similar. In the next stage the fish looks the most different. What assumption can be made based on this different?

The correct assumption may be that the calf, human and the tortoise are more related to one another as compared to the fishes.

The embryology plays a very important role in determining the common ancestors in the organism. The organisms sharing similar embryological development are more closely related as compared to the others, which do not have the similarity in the embryogenesis. More closely related the organism, the more similar embryonic development would be. Hence, it can be said that the calf, human and the tortoise are closely related to one another as compared to the fishes.

ANSWERED AT 31/03/2020 - 10:43 AM


QUESTION POSTED AT 31/03/2020 - 10:43 AM

What two factors have been the GREATEST contributors to the exponential growth of the human population during the last two centuries? A) plentiful food and a mild climate B) the industrial revolution and peace Eliminate C) agricultural developments and peace D) good sanitation and medical advances

Answer: D)  good sanitation and medical advances

In the exponential growth, the population's growth rate increases over time, in proportion to the size of the population. It causes the population to increase faster in numbers. Good sanitation and medical advances will contribute to the exponential growth of the human population because clean environment will prevent the accumulation of pathogen inside the body and hence will prevent the cause of diseases. Medical advances will help in curing of deadly diseases like cancer hence, will increase the likelihood of survival of more number of individuals.  

ANSWERED AT 31/03/2020 - 10:42 AM


QUESTION POSTED AT 31/03/2020 - 10:42 AM

What would happen if the earth's tilt went from 23.5 degrees to 0 degrees

There would be no seasons.

ANSWERED AT 31/03/2020 - 10:40 AM


QUESTION POSTED AT 31/03/2020 - 10:40 AM