Question

Use the drop-down menus to complete the statements.

Each organism in a population produces more offspring than can survive. This is called
.

In order for natural selection to occur, populations must have
.

When the environment changes, nature selects favorable
. Over time, these
in a population.

Answer 1

Answer:

(1) 3

(2) 2

(3) 1

(4) 2

Explanation:

Use the drop-down menus to complete the statements.

Each organism in a population produces more offspring than can survive. This is called  

✔ overproduction  

.

In order for natural selection to occur, populations must have  

✔ variation

.

When the environment changes, nature selects favorable  

✔ adaptations

. Over time, these  

✔ build up

in a population.

Answer 2

1. The reproduction of more offspring than can survive by each organism in a population is called overproduction.

2. The various populations in an ecosystem must have variation, in order for natural selection to occur.

3. When the physical environment in an ecosystem changes, nature selects favorable adaptations.

4. Over time, these  favorable adaptations build up in the population of living organism.

Natural selection can be defined as a biological process in which the species of living organisms possess certain traits, characteristics, and qualities that enables them to successfully adapt to various environmental factors, survive and reproduce, as well as passing on genes to subsequent generation. Some of the environmental factors that affects natural selection include the following;

• Competition for food

• Climate change

• Predators

• Sex mates

Based on evolution, living organisms that are best suited for the new environment would survive and reproduce when there is a change in the physical environment.

Consequently, nature selects favorable adaptations and they are passed on to the next generation (offspring). Over time, these  favorable adaptations build up in the population of living organism, and then the population would evolve.

In conclusion, natural selection entails the survival of the fittest organism within an ecosystem.

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