Following knowledge ecosystem approach, the knowledge management trees need to: Options Grow strong roots Develop healthy branches and leaves Have strong flows of sap in their veins All of the above

QUESTION POSTED AT 15/01/2020 - 01:32 AM

Answered by admin AT 15/01/2020 - 01:32 AM

the trees need to (a) grow strong roots, (b) develop healthy branches and leaves, (c) have strong flows of sap in their veins, as well as use the nutrients, sun and water to be able to grow beautiful flowers and sweet fruits.
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Genetic drift is best described as the redistribution of the frequency of gene occurrence in a(n) _______. a. population b. organism c. ecosystem d. disaster

Genetic drift is best described as the redistribution of the frequency of gene occurrence in A. Population.

ANSWERED AT 21/01/2020 - 09:44 AM


QUESTION POSTED AT 21/01/2020 - 09:44 AM

How are the weak and the strong forces alike?

Weak is alike to strong atomic forces are mediated by gluons ,and W and messenger bosons.

ANSWERED AT 21/01/2020 - 09:35 AM


QUESTION POSTED AT 21/01/2020 - 09:35 AM

The goal of the world resource simulation center is best described as _______. a. solving current problems regarding world resource use b. predicting the future impacts of resource use in the U.S. c. determining how to manage global resources for all humanity d. providing education tools for describing global resource use

The goal of the World Resource Simulation Center is best described as solving current problems regarding world resource use. They also have visual facilities that shows the trends of global and regional issues, the relevance of the issues, and the consequences of the different strategies.

The answer would be letter A.

ANSWERED AT 21/01/2020 - 09:35 AM


QUESTION POSTED AT 21/01/2020 - 09:35 AM

Which of the following is true about the alpine biome? a. The alpine biome has four distinct seasons. b. It is characterized by the presence of coniferous trees. c. It is the largest biome in the world. d. It is located in mountain regions.

Alpine Biome, although found on the five of the seven continents of the world, is not the largest biome in the world. It has only two distinct seasons,not four and is characterized by the presence of coniferous trees (the first indicator that you are about to enter an alpine biome) mosses, and even wild flowers too . It is not just located in mountain regions but it in great and wide mountain ranges of the world. --The answer to this question then is not letter C but letter B.

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


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

Which of the following organisms is most likely to be found in a grassland? a. a bird that nests in trees b. an animal that burrows c. a large predatory cat d. an animal not adapted to cold temperatures

The correct answer is B. An animal that burrows

Explanation:

Grassland is a biome in which vegetation includes mainly grasses, although other small plants and shrubs can be found in grasslands. This biome exists in different regions all around the world and due to this the temperature of grasslands and other features vary according to the region. In terms of animals, in grasslands animals that inhabit the soil predominate as well as herbivores that feed on the grass. Considering this, the organism that is most likely to be found in grassland is an animal that burrows because due to the features of grasslands there are few places to hide on the surface and therefore animals create burrows for protection.

ANSWERED AT 21/01/2020 - 09:31 AM


QUESTION POSTED AT 21/01/2020 - 09:31 AM

Growing up, darwin saw that farm animals with preferred traits were chosen for breeding. Those chosen animals usally produced offspring with the preferred traits. this best illustrates the process of?

Answer:

Artificial Selection

Explanation:

Artificial selection is the intentional reproduction of individuals in a population that have desirable traits. In organisms that reproduce sexually, two adults that possess a desired trait — such as two parent plants that are tall — are bred together.

ANSWERED AT 21/01/2020 - 09:16 AM


QUESTION POSTED AT 21/01/2020 - 09:16 AM

Certain polymers have many start points as well as many end points. What are these polymers called? a. Linked polymers b. Linear polymers c. Branched polymers

The answer is c. Branched polymers.

Polymer is a large molecule formed by joining several monomers. The simplest polymers are linear polymers which have no branches. But, some polymers have many start point and end points known as branches, so those polymers are called branched polymers. They could be star polymers, brush polymers, comb polymers, etc.

ANSWERED AT 21/01/2020 - 08:30 AM


QUESTION POSTED AT 21/01/2020 - 08:30 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

Identify the biotic factor of an ecosystem from the following:

The tree would be identified as a biotic factor

ANSWERED AT 21/01/2020 - 07:25 AM


QUESTION POSTED AT 21/01/2020 - 07:25 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

A farmer chooses the largest grains from a crop of wheat to plant for the next growing season.what would you predict for his wheat crop? A.the wheat will be more likely to be taller and leafier. B.the grains will be genetically engineered to produce more wheat. C.the crop will be more likely to die from a fire. D.the new crop will be more likely to have grains as large or larger

The grains he chooses are large ones so they have a greater chance of producing corn with large grains. Species pass on their genes to their offspring.

Answer: D. The new crop will be more likely to have grains as large or larger.

ANSWERED AT 21/01/2020 - 07:13 AM


QUESTION POSTED AT 21/01/2020 - 07:13 AM

In a balanced ecosystem, the number of is far greater than the number of .

Answer:

In a balanced ecosystem, the number of producers is far greater than the number of consumers.

Explanation:

An ecosystem is a biotic and abiotic system in which the living organisms or biotic components interact with the abiotic environment.

A food chain can be stated as the linear order of the transfer of energy and food when one organism is consumed or eaten by another organism. The energy flows in among the different trophic levels.

The producers form the lowermost trophic level. The highest energy in the energy pyramid exhibits by producers.  

The primary consumers are herbivores which eat plants for their food and energy. The energy in each higher trophic level decreases when the lower trophic level organism is consumed by a higher trophic level organism.  

Therefore, in a balanced ecosystem, the number of producers is far greater than the number of consumers.

ANSWERED AT 21/01/2020 - 06:57 AM


QUESTION POSTED AT 21/01/2020 - 06:57 AM

According to the tree, which primates share the most recent common ancestor with humans?

Chimpanzees  i think is right

ANSWERED AT 21/01/2020 - 06:55 AM


QUESTION POSTED AT 21/01/2020 - 06:55 AM

Do you think humans will ever be able to forecast severe weather with 100% accuracy? What challenges do we face in developing technology that can do so? Besides forecasting tools, what other technology is needed to prevent severe storms from causing disasters? Do you think all countries have the financial capability to support the development and operation of these technologies? If not, do you think there is an ethical obligation for countries with more financial resources to help poorer countries access these technologies?

First of all nature, in most cases is unpredictable, so it would be really difficult to forecast weather with complete accuracy. Governments could start to educate people on safety measures and establish the necessary infrastructure to combat calamity. All countries are financially capable because they are all vulnerable and it should be a priority in any case. And wealthier countries, somewhat have the obligation to help out.

ANSWERED AT 21/01/2020 - 06:48 AM


QUESTION POSTED AT 21/01/2020 - 06:48 AM

You have an ecosystem with the following organisms: birds, fruit trees, tigers, and monkeys. which list would best describe the food chain?

The answer is fruit trees, birds/monkeys, tigers. Producers are the first level of the food chain. Plants are producers because they produce their own food. So, fruit trees will be at the beginning of the food chain. The next level belongs to the primary consumers. Primary consumers are animals that feed on producers. Both birds and monkeys feed on fruit trees, so they are the next in line after fruit trees. Finally, secondary consumers eat primary consumers, such as birds and monkey. Tigers are secondary consumers, and thus they are last on the food chain list.

ANSWERED AT 21/01/2020 - 06:13 AM


QUESTION POSTED AT 21/01/2020 - 06:13 AM

When individuals leave a population, the remaining populations will likely experience a _________ in genetic diversity.?

Decrease in genetic diversity

ANSWERED AT 21/01/2020 - 06:10 AM


QUESTION POSTED AT 21/01/2020 - 06:10 AM

_____ plants grow in moist environments so they can absorb water and nutrients by osmosis and diffusion.

Non-vascular plants grow in moist environments so they can absorb water and nutrients by osmosis and diffusion.

Non-vascular plants are plants that do not have specialized tissues (such as xylem and phloem) that conduct or circulate water throughout the plant. Due to the absence of a vascular tissue system, non-vascular plants usually grow in moist environments so they can absorb water and nutrients directly from the soil by osmosis and diffusion.  Non-vascular plants do not grow very tall and they lack true leaves, stems, and roots.

ANSWERED AT 21/01/2020 - 06:00 AM


QUESTION POSTED AT 21/01/2020 - 06:00 AM

For most populations that are growing, as resources start to become less available, the population

The population will gradually start to decrease until they either find more resources, or they become extinct. Hope this helped ^-^

ANSWERED AT 21/01/2020 - 05:17 AM


QUESTION POSTED AT 21/01/2020 - 05:17 AM

The rain forest canopy has trees of varying heights growing to reach the sunlight. What kind of interaction does this demonstrate? symbiosis competition commensalism mutualism

Competition, they try to grow taller than other trees to get more sunlight

ANSWERED AT 21/01/2020 - 05:14 AM


QUESTION POSTED AT 21/01/2020 - 05:14 AM

Which hormone is responsible for the development of the male secondary sex characteristics?

Testosterone, is responsible for the development of male secondary sex characteristics!

ANSWERED AT 21/01/2020 - 05:12 AM


QUESTION POSTED AT 21/01/2020 - 05:12 AM

For most populations that are growing, as resources start to become less available, the population

The population might decrease 

ANSWERED AT 21/01/2020 - 05:11 AM


QUESTION POSTED AT 21/01/2020 - 05:11 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