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Chapter 2 Test Review Flashcards | StudBud
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Chapter 2 Test Review
Chapter 2 Test Review
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Answers
1
The 3 parts of an animal that often become fossils preserved in rock are bones, shells, and ___
teeth
nails
lungs
hair
2
Some fish have very strong muscles in their tails for swimming fast. Where would they live?
deep ocean
wetland
small pond
river
3
What is genetics?
watching animals blend into their environment
comparing plants and animals living in the ocean
passing traits from one generation to the next
spreading seeds in a forest
4
What does "offspring" mean?
a parent
a flower
a baby
a trampoline
5
Some fish have cartilage instead of bones. This is an example of _____________.
an acquired trait
an instint
an inherited trait
a genetic mystery
6
A scientist found a fossil of a T-Rex on the bottom of a lake.The scientist can infer _______
someone put the fossil there
there were fewer dinosaurs in ancient times
this area was not always covered in water
7
Which of the following would be an inherited trait?
Mrs. Fleming's dancing skills
Someone speaking Italian
Mrs. Clark's brown hair
Someone spending money
8
What conclusion can you draw about the parents of a brown-eyed child?
neither parents carry the trait for brown eyes
both parents must have blue eyes
both parents must have green eyes
atleast one of the parents must carry a trait for brown eyes
9
Johnny goes outside and sneezes when he is around a tulip flower. His sneezing is _________.
an inherited trait
an acquired trait
an environmental factor
10
A "Leaf Bug" is the same color as the leaves on a plant it lives on. This is an example of ____
camouflage
mimicry
hibernation
migration
11
Many desert animals sleep during the heat of the day and hunt at night. What does this mean?
They are nocturnal
They are omnivores
They are herbivores
They are carnivores
12
Which of the following is a learned behavior?
imprinting
sneezing
having a nightmare
throwing a football
13
What is something animals do NOT do to survive the cold in their environment?
Hibernate in a den
Migrate to a cooler climate
Migrate to a warmer climate
Turn white and blend in with the snow
14
A fossil can NOT show _________.
the organism's shape
the organism's hunting patterns
the type of organism it used to be
the organism's size
15
Which of the following would be a plant trait caused by the environment?
the size of each plant
the health of the the plant's leaves
shape of the plant's leaves
the thickness of each plant's stem
16
Scientists find this fossil of a shell in a desert. What could they conclude about that desert?
many kinds of plants used to live there
the desert once had mammals
there was once water where the desert is now
the desert didn't have oxygen before
17
A mammoth has been discovered to have had flat teeth. What does this tell us?
That it ate meat
That it ate plants
That it migrated
That it was nocturnal
18
Which of the following is an example of an inherited trait?
webbed feet on a duck
riding a bike
playing an instrument
blinking
19
How are inherited traits passed from parents to offspring?
according to the rules of a pedigree
during the process of pollination
as chemical "instructions" called genes
by the separation of chromosomes
20
Which of the following is NOT an inherited trait?
the color of a flower
the pattern of a tiger's stripes
the shape of an animal's nose
a bruise on a person's arm
21
Which adaptation helps a polar bear survive in it's arctic environment?
good hearing
horns
good eyesight
an extra layer of fat
