Cumulative Exam — Cumulative exam Answers

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Ari drew a diagram to show organisms in an ecosystem.

Question illustration
A
a food chain
B
a trophic chain
C
a food web
D
an energy web
44

Which of the following is an example of adaptive radiation?

A
One population of squirrels becomes two separate species over a long time.
B
One population of lizards forms 15 separate species over a short time.
C
One species of birds becomes better suited to its environment over time.
D
One species of fish forms when two species of fish begin to breed with each other.
45

The lava released by a volcanic eruption separates two populations of a species of monkey. What does this represent?

A
biological isolation
B
geographical isolation
C
temporal isolation
D
anatomical isolation
46

A doctor is trying to diagnose a patient with dry skin. Which of the following resources would be the most helpful?

A
a magazine ad about soft skin
B
a growth chart
C
online articles about dry skin
D
medical books
48

Which is an example of foraging as a benefit of social behavior?

A
A blue jay eats birdseed from a bird feeder.
B
Three lions hunt and capture a zebra.
C
Worker bees build a nest and the queen bee lays eggs.
D
A male chimpanzee mates with several different females.
49

A sperm fertilized an egg. Which two structures will the fertilized egg contact?

A
ovary and fallopian tubes
B
fallopian tubes and uterus
C
uterus and cervix
D
cervix and ovary

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