A few hundred red deer were introduced, in 1998, into a prairie ecosystem where they faced no natural predators. The graph shows the subsequent variation of the deer population in a certain area of the prairie. Explain, using the concept of carrying capacity, the observed variation of the deer population over time.

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Answer 1

Answer:

The carrying capacity is the maximum size of some population. It represents the number of animals that can live, reproduce, survive in the given area regarding the indefinite sustainability of this area in terms of resources (food, water, habitat, etc.). When animals are introduced into some area, the resources are abundant. But, as the number of animals in the population grows, the resources reduces. Once the population reaches the carrying capacity the growth of population will stop (on the graph in the year 2002). With reduced resources, the competition for resources will increase, and also, animals are more prone to predators and diseases. All of this will decrease population size for a bit (on the graph year 2003).

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What does
constant mean

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occurring continuously over a period of time.

Which type of succession takes place where an ecosystem already exists?evolutionary succession

pioneer succession

secondary succession

primary succession

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ANSWER:

Secondary succession takes place where an ecosystem already exists. An ecosystem is made from various plants, animals and life support processes and mechanisms.

EXPLANATION:

In an already existing ecosystem, plant and animal species already exist and have adapted to live in the ecosystem.

It is these plants and animals that evolve with time and make changes to their body structures to survive in the ecosystem.

The animal and plant life in an existing ecosystem is also able to produce offspring that can easily survive and further evolve in the ecosystem thereby ensuring that the species already found in the ecosystem exist for a long time.

Secondary succession

Which organism belongs to more than one tropic level

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Any animal that eats meat like snakes and even some herbivores like moose

Which are replicated during interphase?

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Answer: The correct answer is-

DNA molecules or chromosmes are replicated during the interphase.

Interphase is first stage in the cell cycle. It is further divided into three phases that is-

G1 ( first growth phase, during which cell grows and syntheises essential proteins for replication),

S ( synthesis phase as chromosomes are replicated during this phase). This important before cell divides in the M phase.

G2 phase ( second growth phase). During this, further growth of cell takes place and it prepares for division in the next stage that is M phase.

What kind of relationship would a hummingbird an a daffodil have?

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The answer to the question of "what kind of relationship would a hummingbird an a daffodil have?" is that they have a mutually beneficial relationship, also called a mutualistic relationship - the hummingbird gets food from the flower and the flower can "use" the bird for polination, so they both benefit from each other's behaviour

How does the size of a cell’s surface area change compared to its volume when the cell grows?

Answers

Answer:

Surface area does not increase after certain growth with the same pace as the volume increases.

Explanation:

The volume of cell increases rapidly as compared to its surface area when the cell grow in size and this is the reason due to which which its surface area to volume ration gets smaller leads to reduction in surface diffusion. After a certain growth,the surface area does not increase as the material that forms the surface of the cell cannot increase further . Therefore at this stage the cell must divide and produce smaller cells which are able to accommodate favorable surface area/volume ratios

I learned this before I just don't remember

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