Question 1

Which of the following is an example of homologous structures?

Accepted Answer

The wings of a bat and the arms of a human

Answer

The fins of a fish and the flippers of a seal

Answer

The trunk of an elephant and the tail of a monkey

Answer

The beak of a bird and the snout of a crocodile

Question 2

Which of the following is a form of direct evidence for evolution?

Accepted Answer

Fossil record

Answer

Natural selection

Answer

Genetic variation

Answer

Geographic distribution

Question 3

What is an example of comparative embryology?

Accepted Answer

Similarities in the early stages of development among different vertebrate embryos

Answer

Variations in mating behavior among bird species

Answer

Distinct adaptations in plant reproductive structures

Answer

Different reproductive strategies in insects

Question 4

Which of the following is an example of fossil evidence for evolution?

Accepted Answer

A preserved dinosaur skeleton

Answer

A bird building a nest

Answer

A flower blooming in spring

Answer

A fish swimming in a river

Question 5

What is the process by which a species gradually changes over time?

Accepted Answer

Evolution

Answer

Adaptation

Answer

Extinction

Answer

Mutation

Question 6

What is the process by which organisms with favorable traits are more likely to survive and reproduce?

Accepted Answer

Natural selection

Answer

Artificial selection

Answer

Genetic mutation

Answer

Heredity

Question 7

Which of the following is an example of genetic evidence for evolution?

Accepted Answer

the presence of DNA sequence similarities among different species

Answer

the presence of identical species in different regions

Answer

the presence of similar physical structures in different species

Answer

the presence of fossil remains of ancient organisms

Question 8

Which of the following is an example of artificial selection?

Accepted Answer

the breeding of different dog breeds with specific desired traits

Answer

the presence of closely related species on different continents

Answer

the presence of similar physical structures in different species

Answer

the presence of genetic similarities among different organisms

Question 9

Which of the following is an example of convergent evolution?

Accepted Answer

the similar body shapes and feeding mechanisms in dolphins and sharks

Answer

the development of antibiotic resistance in bacteria

Answer

the presence of closely related species on different continents

Answer

the presence of similar physical structures in different species

Question 10

What is the significance of DNA similarity in different species?

Accepted Answer

It indicates a common ancestry

Answer

It determines the physical characteristics of an organism

Answer

It allows for adaptation to different environments

Answer

It is a result of random genetic mutations

Question 11

What is the process by which species change over time?

Accepted Answer

Evolution

Answer

Selection

Answer

Adaptation

Answer

Mutation

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