Chapter 7.1 Review (8th) Question Preview (ID: 34751)


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A characteristic that helps and organism survive and reproduce in its environment. A characteristic that improves an individual’s ability to survive and reproduce in a particular environment
a) characteristic
b) evolution
c) species
d) adaptation

A group of organisms that are closely related and can mate to produce fertile offspring
a) genus
b) species
c) fossils
d) population

A sketch that includes all known organisms
a) tree of life
b) fossil record
c) timeline of life
d) life record

The process in which populations gradually change over time. The process in which inherited characteristics within a population change over new generations such that new species sometimes arise
a) adaptation
b) surviving
c) evolution
d) heredity

A human’s arm, a cat’s front leg, a dolphin’s front flipper, and a bat’s wing
a) have similar kinds of bones
b) are used in similar ways
c) are very similar to insect wings and jellyfish tentacles
d) have nothing in common

In older layers of the Earth, are fossils more or less likely to resemble today’s animals or plants?
a) more likely
b) less likely
c)
d)

What are two signs that different species may have a common ancestor?
a) similar DNA and similar traits
b) different fossils and similar traits
c) similar DNA and different traits
d) similar fossils an different traits

How does an adaptation help an organism?
a) It helps the organism change colors
b) It improves its ability to survive and reproduce.
c) It improves its ability to change species.
d) It helps the organism become a fossil.

the sequence of life’s history as indicated by fossils
a) adaptation
b) tree of life
c) fossil record
d) fossil

Which of the following is NOT evidence that whales evolved from mammals that once lived on land?
a) fossil discoveries that link whales to mammals
b) the hip bones of whales
c) the fishlike shape of whales
d) the fact that whales are mammals

Where do scientists look for evidence of evolution?
a) in the layers of the Earth
b) in caves
c) in water
d) in old books

What is a fossil?
a) a layer of sediment
b) a living organism
c) a very old organism
d) remains of a once-living organism

The fossil record provides evidence about
a) the age of rocks.
b) the order in which species have existed.
c) the number of layers the Earth has.
d) the composition of minerals.

All living things inherit similar traits from their
a) ancestors.
b) evolution.
c) fossils.
d) descendants.

If you compared two kinds of living organisms, what might you learn about their history?
a) how long ago they evolved
b) whether they share a common ancestor
c) whether they live in the same place
d) whether they could mate and reproduce

What makes the human hand similar to a dolphin’s flipper or a bat’s wing?
a) the ability to flap
b) the structure of the skin
c) the order of their evolution
d) the structure and order of bones

What does the similarity between humans, dolphins, cats, and bats indicate?
a) that they all evolved recently
b) that their ancestors lived in the same place
c) that they share a common ancestor
d) that they are becoming more alike over time

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