Evolution

What do you call the reduced, functionless anatomical structure that serves as evidence of an organism's evolutionary past?

• vestigial structure

• trace structure

• analogous structure

• homologous structure

Tags

NGSS.MS-LS4-2

Human consturction in the area is steadily reducing the habitate of a rodent species. Which of the following will most likely occur if the species' habitat continues to be destroyed?

• The population will use less resources and stay the same size

• The species will experience population growth

• The limiting factor of the population will change

• The species will eventually become extinct

Tags

NGSS.HS-LS4-5

NGSS.HS-LS2-6

The front leg of an iguana and the wing of a bird look different, but both limbs likely evolved from the same limb of a shared ancestor. These structures are said to be:

• heterogeneous

• differentiated

• homologous

• vestigial

Tags

NGSS.HS-LS4-1

According to the cladogram, which of the following is true about crocodiles and sharks?

• There is no common trait

• They descended from early vertebrates

• They share a recent common ancestor

• The both have eggs with shells

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-1

According to the diagram, which two organisms are more closely related?

• sharks and crocodiles

• rabbits and primates

• amphibians and birds

• sharks and primates

Tags

NGSS.HS-LS4-1

Which of the following is not a principle of natural selection?

• overproduction of offspring

• adaptation

• descent with modification

• speciation

• variation

Which of the following is necessary for the survival of a species?

• ability to reproduce

• ability to fly or swim

• ability to walk on two legs

• ability to change appearance

Tags

NGSS.HS-LS4-2

Comparative biochemistry is the study of similarities and differences in __________ among organisms.

• vestigial structures

• homologous structures

• development

• DNA sequences and proteins

What is the process by which a species becomes better suited to its environment?

• speciation

• adaptation

• genetic drift

• gradualism

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

What type of reproduction results in more genetic diversity among their offspring?

• sexual reproduction

• asexual reproduction