Unit 4 Test Review

Over time, turtles that have an underside that is white in color and a topside that is green in color, have survived better than turtles that were green all over. The turtles are better camouflaged from predators & prey from above and below. Which of the following best describes this scenario?

• selective breeding

• survival of the strongest

• natural selection

• There is no relationship

The genetic information that is responsible for physical traits like height, skin color, foot size and eye shape is found within an organisms

• ribosome

• vacuole

• nucleus

• mitochondrion

The passage of genetic information from one generation to the next is represented by which term below?

• chromosomes

• heredity

• traits

• genetics

Students went on a hike with their teacher in park when they saw a coral snake. This snake is known for its bright coloration. It lives in a dark colored forest with mainly brown and green colors. What is the advantage of being so brightly colored?

• serve as a warning to predators

• better to sneak up on prey

• better to blend in with surroundings

• helps keep the organism warm

Which of the following is an advantage of asexual reproduction over sexual reproduction?

• Less energy is needed to create offspring

• The offspring is more genetically diverse

• The orgisms must find a mate to reproduce

• It takes longer to create offspring

Which of there terms below represents the process whereby organisms better adapted to their environment tend to survive and produce more offspring.

• selective breeding

• natural selection

• genetics

• heredity

Which term below represents the process of modifying the characteristics of living things to enhance one or more desirable traits for humans?

• natural selection

• selective breeding

• genetics

• heredity

The function of the human digestives system is to

• break food into small molecules that the body can use for endure

• dispose of wastes and control body fluid composition

• move materials from the environment into the body

• produce enzymes the body needs to break down food

The function of the human circulatory system is to

• dispose of wastes and control body fluid composition

• move materials from the environment into the body

• transport nutrients and oxygen to the rest of the body by the blood

• produce enzymes the body needs to break down food

What body system disposes of wastes and controls body fluid composition?

• excretory

• digestive

• circulatory

• respiratory