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Book B, Ch4 Practice
Test Description: Birds, mammals, evolution
Instructions: Answer all questions to get your test result.
1) Which of the following is a reason that Australian marsupials are endangered or extinct?
A
An invasive species of sharks that can walk on land have been rapidly expanding and preying on the animals there
B
Europeans changed the environment dramatically when they arrived there.
C
A massive earthquake killed them and destroyed their habitats and food sources
D
A small meteor strike there and the aftermath caused many species to die from loss of habitat, food, and climate change
2) Which environmental condition is believed to have driven the adaptations in penguins that prevent them from flying?
A
Most of their food is in the water
B
A lack of predators on land made it unecessary for them to fly
C
Predators in the air forced them to take to the water
D
It is colder up high in the air which forced them to spend more time on the ground
3) Why can penguins no longer fly?
A
They are too lazy
B
They spent so much time in the water because that was where their food was that they forgot how to fly
C
Through natural selection the environment drove adaptations that were better suited for diving than flying
D
They saw other penguins getting food in the water so they decided they would get their food there too and so adapted to be ab
4) Which of the following is not an adaptation for bird flight?
A
wings
B
air sacs to make them lighter
C
rapidly beating heart
D
down feathers to make them streamlined
5) Which of the following characteristics are shared by all mammals?
A
long legs, mammary glands, good vision
B
poor hearing, constant body temperature, live births
C
mammary glands, diaphragms, constant body temperature
D
good vision, diaphragms, long necks
6) A bird’s streamlined body surface is created by
A
contour feathers
B
the keel
C
the crop
D
down feathers
7) What characteristic of mammals helped them become better consumers?
A
being lower the the ground
B
having a jaw that can open wider than other animals
C
having different kinds of teeth
D
having opposable thumbs
8) Why do marsupials need a pouch for their young after birth?
A
to carry them until they learn to hop
B
to protect and feed them while they continue to develop
C
because the mothers need to breathe for their young
D
to keep them from running away before they are ready to take care of themselves
9) Which of the following is NOT a marsupial?
A
wallaby
B
Tasmanian devil
C
numbat
D
panda
10) For speciation to happen groups of the same species must first
A
compete with each other for dominance
B
adapt to different environments
C
separate into different environments with different conditions
D
decide that they are not strong enough for their current environment
11) A characteristic that improves an organism’s ability to survive is a(n)
A
reproduction
B
breeding
C
inherited variation
D
adaptation
12) What is the process by which organisms that are better adapted to their environment survive and reproduce more successfully than less well adapted organisms do?
A
genetic resistance
B
species separation
C
natural selection
D
genetic change
13) The process by which populations slowly change over time is called
A
adaptation
B
evolution
C
speciation
D
selective breeding
14) Marsupials are born _________________ after fertilization
A
Hours
B
Several months
C
Days or weeks
D
Nine months
15) Scientists compare organisms’ DNA to support the theory that all species share a common
A
separation
B
ancestor
C
population
D
environment
16) A spider may produce hundreds of eggs, only a few of which may survive. This is an example of
A
speciation
B
overproduction
C
division
D
genetic change
17) The trace remains of an organism that lived long ago, most commonly preserved in sedimentary rock, are a
A
layer
B
sediment
C
fossil
D
mineral
18) Which of the following is NOT an example of natural selection?
A
male birds developing extremely colorful displays of feathers
B
dog owners breeding their pets to produce friendlier offspring
C
elephants passing the tuskless trait to their offspring
D
insects developing pesticide resistance
19) Which of the following features did whales possibly inherit from a four-legged ancestor?
A
hind limbs
B
hip bones
C
legs
D
gills
20) The fact that an organism’s offspring are not identical is known as
A
reproduction
B
inherited variation
C
adaptation
D
genetics
*select an answer for all questions
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