Question

In order for a trait to be considered a competitive advantage, the trait must(1 point)

allow the individual to utilize fewer food and water resources to survive.

allow the individual to have fewer diseases and not get sick.

allow the individual to be stronger and outcompete others.

allow the individual to survive better and reproduce more in that environment.



Why are hooves more advantageous for horses in the modern era?(1 point)

Hooves are better equipped for environments with plains.

Hooves are better suited with environments with wetter climates.

Hooves are better suited for environments with a wider range of vegetation.

Hooves are better suited for environments with plenty of trees.

Imagine a major volcanic eruption has dramatically changed the environment on an island such that the average temperature and available sunlight are much lower. Of the following species present on that island, which species is most likely to adapt and evolve to this change instead of going extinct?(1 point)

a large mammal species with a low reproduction rate and specific food needs.

a bird species with specific nesting requirements that only feeds on one type of seed.

a reptile species with a high reproduction rate and very similar individuals.

an insect species with a high reproduction rates and a significant mutation rate



Of the four factors that affect the evolution of species, which factor is driven by random events?(1 point)

Speciation

Competitive advantage

Genetic variation

Differential survival and reproduction

Which factor will most likely guarantee evolution rather than extinction?(1 point)

larger animal sizes

changes in available food sources

changes in the environment

higher reproduction rates

Answer 1

A trait provides competitive advantage if it enhances survival and reproduction. Hooves and high reproduction rates offer significant survival benefits. The Red Queen Hypothesis highlights the need for continual evolution to avoid extinction.

Step-by-step explanation:

To be considered a competitive advantage, a trait must allow the individual to survive better and reproduce more in that environment.

Horses find hooves advantageous because they are better equipped for environments with plains, which is suitable for their need to move quickly over open land.

In an environment that has undergone a major change such as a volcanic eruption leading to lower temperatures and sunlight, the species most likely to adapt and evolve rather than going extinct is an insect species with a high reproduction rate and a significant mutation rate.

Genetic variation is the factor of evolution driven by random events.

A high reproduction rate will most likely guarantee evolution rather than extinction when environmental changes occur.

The scenario that provides the best support for the Red Queen Hypothesis is the one where individuals of a sexually-reproducing species go extinct after a new predator is introduced, demonstrating the need to continually evolve to survive.

Answer 2

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