Give the Taxonomic levels of man: Kingdom: Phylum: Class: Order: Family: Genus: Species:

QUESTION POSTED AT 14/01/2020 - 03:08 PM

Answered by admin AT 14/01/2020 - 03:08 PM

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: sapiens
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Related questions

As each order of consumers eat other organisms, energy that transfers .

The task is to complete the sentence: As each order of consumers eat other organisms, energy that transfers (...). We know that only around 10% of energy gets transferred between the different levels - the rest gets lost (for example because not everything gets eaten or because it gets lost as heat). So the energy "decreases" - that's how you can complete the sentence!

ANSWERED AT 21/01/2020 - 10:03 AM


QUESTION POSTED AT 21/01/2020 - 10:03 AM

A population of snakes that eat small rodents enters a new habitat. In the new habitat, there are many species of rodents, and their populations are high because there are few natural predators. What will most likely be the effect on the genetic variation of the snake population? Genetic variation will increase because of a selective pressure. Genetic variation will increase because of a new habitat and food source. Genetic variation will decrease because of a selective pressure. Genetic variation will decrease because of a new habitat and food source.

Answer:

Option B, Genetic variation will increase because of a new habitat and food source.

Explanation:

There are three positive scenarios about the new environment in which the snakes have entered -  

a) There are different varieties of rodent

b) The population of rodent is high due to less number of predators.  

c) Low population of predators other than the snakes (Limited competition)

Hence, snakes will have ample supply of food in the new sphere as there is very low competition among the predators (due to low population of other predators) and also there are varieties of rodent. Due to ample supply of food and limited competition with other predators , snake population will increase and thus the genetic variation will also increase due to increased rate of breeding.

Thus, option B is correct.

ANSWERED AT 21/01/2020 - 09:50 AM


QUESTION POSTED AT 21/01/2020 - 09:50 AM

Which term refers to the maximum number of organisms of a particular species that can be supported by an environment?

The term that refers to the maximum number of organisms of a particular species that can be supported by an environment is called Carrying Capacity.

ANSWERED AT 21/01/2020 - 09:47 AM


QUESTION POSTED AT 21/01/2020 - 09:47 AM

Give two ways in which white blood cells destroy disease-causing micro-organisms.

Macrophages and neutrophiles destroy microorganisms through phagocytosis (engulfing them whole) and are found in the interstitial fluid (outside of the blood stream and cells). The pathogen is drawn into the macrophage where enzymes such as lysozyme kill the pathogen. 

Lymphocytes do not attack directly but instead, they recognize that the cell has become infected by a virus and release antibodies that tags to invader by binding to the antigen molecule. This triggers the mechanism that destroys the invader.

ANSWERED AT 21/01/2020 - 09:33 AM


QUESTION POSTED AT 21/01/2020 - 09:33 AM

The study and manipulation of DNA on a molecular level is known as Select one: a. evolution. b. genomes. c. biochemistry. d. molecular genetics.

It's called molecular genetics. :) 

Because it's on a molecular level and DNA contains important genetic information.

ANSWERED AT 21/01/2020 - 09:30 AM


QUESTION POSTED AT 21/01/2020 - 09:30 AM

Earth scientists have concluded that the methods of harnessing energy that have been used over the past two centuries, such as the burning of fossil fuels, are causing climates around the world to change more quickly and suddenly than ever before in human history. Evidence includes increased temperatures in the air, rising sea levels, and the shrinking of ice glaciers at the north and south poles. The most complex level of organizational hierarchy that climate change could potentially affect is Earth’s A. Biosphere B. Communities C. Organisms D. Populations

The best answer to the question that is being given above would be letter A. The most complex level of organization hierarchy that climate change could potentially affect is Earth's Biosphere - which holds every living thing in the planet. This climate change will destroy it more destruction to Mother Nature occurs.

ANSWERED AT 21/01/2020 - 09:28 AM


QUESTION POSTED AT 21/01/2020 - 09:28 AM

What are 3 contributions that trypanosoma brucei give to the environment

Trypanosoma brucei rhodesiense and T. brucei gambiense, the ... TLF present in human serum (TLF1 and TLF2) provide innate resistance ... where the parasites are present and it disappears after 2 or 3 weeks. ... to adapt themselves.

ANSWERED AT 21/01/2020 - 09:22 AM


QUESTION POSTED AT 21/01/2020 - 09:22 AM

Consider the following research question. Research Question: Why are pickles stored in salt water? Which hypothesis is based on this research question? A. Pickles are green because that is a popular color. B. It is well-documented that pickles are fun to eat. C. Pickles are stored in salt water to prevent them from spoiling. D. A grocery store will sell more pickles when the pickle jars are shelved at eye level than when they are shelved near the floor.


C. Pickles are stored in salt water to prevent them from spoiling.

A hypothesis is a supposition made by the scientist. In order for a hypothesis to be a scientific hypothesis, the scientific method requires for it to be tested. If a hypothesis cannot be tested, it cannot be scientific hypothesis. It is important to state the hypothesis clearly at the beginning of a scientific paper. This enables the reader to understand the problem. 

ANSWERED AT 21/01/2020 - 08:45 AM


QUESTION POSTED AT 21/01/2020 - 08:45 AM

Suppose a paleontologist discovered a fossil skull that he believes might be distantly related to primates. Unlike true primates, the face is not quite flat and the eyes do not face completely forward. The paleontologist would most likely conclude that the animal lacked the ability to form extended family groups. the ability to grip branches precisely. the ability to manipulate tools. the ability to judge the location of tree branche

The answer is the ability to judge the location of tree branch.

Evolutionary tree represents a relationship between different group of organisms. Tree branches represent decedent groups while nodes are common ancestors of those decedent groups. This fossil skull could represent a new tree branch, so the paleontologist could judge its location.


ANSWERED AT 21/01/2020 - 07:55 AM


QUESTION POSTED AT 21/01/2020 - 07:55 AM

When a volcano erupts, it results in dangerous lava and mud flows, and the ash it produces can travel hundreds of miles. Which of the following best describes an initial consequence of this catastrophic event? Less diversity of plants Prolonged drought Increase in invasive species Plant populations increase

The only one that best describes an initial cosequence of this catastrophic event is the first option Less diversity of plants. But few species can grow in lava. Though cold lava is hard to being fertilized for plants as it's difficult to grow roots into tough layer of the lava.

ANSWERED AT 21/01/2020 - 07:52 AM


QUESTION POSTED AT 21/01/2020 - 07:52 AM

The tundra ecosystem of Alaska is known as a “cold desert.” It receives very little precipitation, about four inches annually. However, it is rich in wetlands due to permafrost, which traps moisture close to the surface. The temperatures vary widely, also producing persistent winds. Although treeless, the Arctic tundra is an abundant ecosystem. Many organisms find their niche here including many migratory bird species and mammals such as caribou, foxes, bears, and small rodents. Which element of the tundra ecosystem is biotic? A.wind B.dead bird C.carbon dioxide D.temperature

The correct answer is option B. dead bird

In an ecosystem two types of components exist which are known known as biotic and abiotic.

A biotic component is the one which has life or had life at some point of time. A dead bird is therefore considered as biotic component because even though at present it doesn't have life yet earlier it had life. Abiotic components are those components which neither have life at present nor they had in past. Wind, carbon dioxide and temperature are therefore considered as abiotic components of tundra ecosystem.

ANSWERED AT 21/01/2020 - 07:21 AM


QUESTION POSTED AT 21/01/2020 - 07:21 AM

Rising levels of carbon dioxide most likely

When carbon dioxide level rises in the atmosphere, it leads to global warming because it enhances the greenhouse effect, trapping infrared radiation close to the surface.

ANSWERED AT 21/01/2020 - 07:21 AM


QUESTION POSTED AT 21/01/2020 - 07:21 AM

Which kingdom of organism is usually multi-celled, heterotrophic and has Cell walls made of cutting divided by opening called septa

This is referring to the kingdom of Fungi (sing. Fungus)

ANSWERED AT 21/01/2020 - 06:27 AM


QUESTION POSTED AT 21/01/2020 - 06:27 AM

A species of mice can have long or short tails. if you crossed a male mouse which is heterozygous and has a long tail with a female mouse with a short tail, what would the expected phenotypic outcome be and why?

Answer: The expected phenotypes will be long tail and short tail

Explanation:  

Suppose L for the character "long tail" and l for "short tail, the genotype of the male for that character would be Ll (dominant heterozygous), and that of the female ll (homozygous recessive). When these individuals intersect, the progeny of the F1 (first generation) would be genotypically Ll or ll, therefore the expected phenotypes will be long tail and short tail. Those with long tails will be heterozygous and those with short tails will be homozygous. This is because the male has a dominant and a recessive allele giving the chance of two possible combinations of alleles, while the female being homozygous, only has one allele option to combine with any of the two from the male. When a recessive allele meets a dominant one, the dominant one is expressed in the phenotype. A recessive allele will only be expressed if it is combined with another recessive.

ANSWERED AT 21/01/2020 - 06:19 AM


QUESTION POSTED AT 21/01/2020 - 06:19 AM

Noble gases have a full outer energy level and are inactive. these atoms are considered _____.

These atoms are considered chemically stable

ANSWERED AT 21/01/2020 - 05:56 AM


QUESTION POSTED AT 21/01/2020 - 05:56 AM

Yellowfin tuna, or Thunnus albacores, are large sport fish that are found in tropical and subtropical waters around the world. They typically school under objects such as boats or patches of driftwood for protection from predators. Schooling under these structures also provides yellowfin tuna with easy access to a food source such as smaller herbivorous fish that may be foraging for food around the structures. Which trophic level does yellowfin tuna fill in a food chain?we

The answer is secondary consumer.

A trophic level of an organism shows its position in a food chain:

1. Producers, such as plants and algae, produce their own food and thus are the base of every food chain.

2. Primary consumers eat producers. They are herbivores that eat plants.

3. Secondary consumers eat primary consumers. They eat herbivores, so they are carnivores or omnivores.. 

4. The highest level is tertiary consumers that eat secondary consumers


According to this, and knowing than yellowfin tuna eat smaller herbivorous fish, it can be concluded that it belongs to the secondary consumers.

ANSWERED AT 21/01/2020 - 05:49 AM


QUESTION POSTED AT 21/01/2020 - 05:49 AM

What will most likely happen if the level of greenhouse gases continues to rise?

The Earth temperatures will continue to increase.

ANSWERED AT 21/01/2020 - 05:45 AM


QUESTION POSTED AT 21/01/2020 - 05:45 AM

What happens to hormone levels during ovulation

Your hormone levels peak during ovulation, and are at their highest.

ANSWERED AT 21/01/2020 - 05:29 AM


QUESTION POSTED AT 21/01/2020 - 05:29 AM

A newly discovered tree species has cone-like structures that are covered with exposed seeds. Which plant group does it most likely belong to? pteridophytes gymnosperms angiosperms bryophytes

A tree specie that has a cone-like structure that is covered with exposed seeds belongs to the gymnosperm plant group. Gymnosperms are plants that do not bear flowers nor fruits and their seeds are unenclosed or exposed on the surface of their leaves or scales or in a form of cones. 

ANSWERED AT 21/01/2020 - 05:10 AM


QUESTION POSTED AT 21/01/2020 - 05:10 AM

Darwin hypothesized that new species could appear gradually through small changes in an ancestral species. Which observation that he made about finches most supports that hypothesis?

The beak shapes of the finches on the Galapagos islands differed in shape and size. Finches arrived on the Galapagos islands approximately 2 millions years ago. Darwin noticed that finches on each of the islands were different, resulting in the discovery of 15 distinct kinds of finches. In some cases the beak shapes differed due to the food available on each island, such as large strong beaks for breaking open nuts, while others ate insects. Other differences included body shape, song, and feeding behaviors.

ANSWERED AT 21/01/2020 - 04:48 AM


QUESTION POSTED AT 21/01/2020 - 04:48 AM

A newly discovered tree species has cone-like structures that are covered with exposed seeds. Which plant group does it most likely belong to? a.pteridophytes b.gymnosperms c.angiosperms d.bryophytes

The answer is B. Gymnosperms since seeds of gymnosperms are often exposed in cone-like open structures. An example of which are conifers. Pteridophytes reproduce by spores. Angiosperms are flowering plants. Bryophytes are non-vascular plants while others mentioned are vascular plants.

ANSWERED AT 21/01/2020 - 04:45 AM


QUESTION POSTED AT 21/01/2020 - 04:45 AM

Which of the following is a specialist species? a. Giant Pandas b. Horses c. Humans d. Rabbits

Which of the following is a specialist species?

a.

Giant Pandas

b.

Horses

c.

Humans

d.

Rabbits


answer A

ANSWERED AT 21/01/2020 - 04:39 AM


QUESTION POSTED AT 21/01/2020 - 04:39 AM

Juanita runs a restaurant. She wants to make sure that the food served by her restaurant is as clean as possible. Juanita wants to find out the best way to kill or wash off any microorganisms on the fresh produce used by her cooks. Which of the following is a testable hypothesis that Juanita could make in order to conduct an experiment concerning her problem?

To rid of any unwanted microorganisms on their fresh produce, Juanita and her workers should take on methods of sterilization to control microbial growth. These methods include proper heating as heat can kill microbes. Boiling is also a sterilization process, along with steaming and using oven.

ANSWERED AT 21/01/2020 - 04:39 AM


QUESTION POSTED AT 21/01/2020 - 04:39 AM

Which characteristics are used to differentiate between the six kingdoms? body type, coelom, cell type, movement, size body type, cell type, cell structure, nutrition cell structure, movement, cell type, nutrition nutrition, coelom, cell structure, cell type, size

The correct answer is body type, cell type, cell structure, nutrition. Organisms are classified into six Kingdoms of life: Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia. Organisms are placed into these categories based on similar or common characteristics.
·     Cell type and structure - there are two main cell types, prokaryotic and eukaryotic cells. Cells can also be simple or complex when it comes to their structure
·     Nutrition – there are few types of nutrition based on their ability to make food: photosynthesis (autotrophy), absorption, and ingestion.
·     Body type-this refers to the number of cells in organism’s body (complexity).

ANSWERED AT 21/01/2020 - 04:38 AM


QUESTION POSTED AT 21/01/2020 - 04:38 AM