Basic Needs
All organisms need energy, materials, and _______ to survive.
A. Fur
B. Living space
C. Toys
D. Teeth
B. Living space
A turtle’s shell is a:
A. Behavior
B. Habitat
C. Physical trait
D. Weather change
C. Physical trait
Barking to warn about danger is a:
A. Physical trait
B. Behavioral trait
C. Habitat
D. Adaptation in fur
B. Behavioral trait
Which problem is caused by lack of oxygen?
A. Dehydration
B. Camouflage
C. Suffocation
D. Starvation
C. Suffocation
Which is a physical trait?
A. Running
B. Thick fur
C. Barking
D. Hiding
B. Thick fur
What is starvation?
A. Getting too hot
B. Dying from lack of oxygen
C. Suffering or dying from lack of food
D. Sleeping too long
C. Suffering or dying from lack of food
Camouflage helps animals:
A. Store water
B. Blend into surroundings
C. Grow faster
D. Make noise
B. Blend into surroundings
A lizard running up a tree to escape is an example of:
A. Starvation
B. Camouflage
C. Behavior
D. Dehydration
C. Behavior
Which problem is caused by lack of water?
A. Dehydration
B. Suffocation
C. Migration
D. Camouflage
A. Dehydration
Which is a behavioral trait?
A. Shell
B. Claws
C. Inflating body
D. Scales
C. Inflating body
If a drought lasts a long time, animals might die because:
A. They forget how to hunt
B. Plants die and there is less food and water
C. They grow too fast
D. They lose their fur
B. Plants die and there is less food and water
Why does a cactus have thick stems?
A. To scare predators
B. To grow taller
C. To store oxygen
D. To store water
D. To store water
Why does an armadillo lizard roll into a ring?
A. To cool off
B. To protect itself
C. To find food
D. To blend in
B. To protect itself
Plant spines protect plants from:
A. Wind
B. Too much rain
C. Being eaten
D. Sunlight
C. Being eaten
Why might a rabbit freeze when it sees a fox?
A. To blend in and avoid movement detection
B. To store water
C. To grow stronger
D. To change color
A. To blend in and avoid movement detection
If an animal cannot get enough oxygen, it may:
A. Dehydrate
B. Starve
C. Hibernate
D. Suffocate
B. It will suffocate
How does a woodpecker’s beak help it survive?
A. It helps find insects in trees
B. It stores water
C. It blends into trees
D. It scares predators
A. It helps find insects in trees
A horned lizard squirts blood at a predator. Why does this behavior increase its survival chances?
A. It injures the predator permanently
B. It distracts and irritates the predator long enough to escape
C. It makes the predator hungry
D. It changes the predator’s habitat
B. It distracts and irritates the predator long enough to escape
If herbivores begin dying from starvation, what is the MOST likely long-term effect on predators?
A. Predator populations may decrease
B. Predators will immediately grow stronger
C. Predators will need less food
D. Plants will disappear
A. Predator populations may decrease
Which statement BEST explains the difference between a physical and behavioral trait?
A. Physical traits are actions; behavioral traits are body parts
B. Physical traits are inherited body features; behavioral traits are ways an organism acts
C. Behavioral traits only help with food
D. Physical traits only protect from predators
B. Physical traits are inherited body features; behavioral traits are ways an organism acts
If a population of wheat plants dies due to dehydration, which organism would MOST likely experience the earliest survival threat?
A. A hawk that eats snakes
B. A deer that eats wheat
C. A wolf that eats deer
D. A fish in a nearby pond
B. A deer that eats wheat
Two animals live in different environments:
• Animal A lives in a desert
• Animal B lives in a rainforest
Which trait would likely benefit Animal A more than Animal B?
A. Bright feathers for attracting mates
B. Long claws for climbing trees
C. Thick fur for warmth
D. Ability to store water in its body
D. Ability to store water in its body
A pufferfish inflates when threatened. Why is this classified as a behavioral trait instead of a physical trait?
A. It is a body structure the fish is born with
B. It permanently changes the fish’s shape
C. It is an action the fish performs in response to danger
D. It stores water inside its body
C. It is an action the fish performs in response to danger
If climate change causes longer droughts, which combination of traits would provide the GREATEST survival advantage?
A. Camouflage + sharp teeth
B. Water storage + ability to migrate
C. Thick fur + loud calls
D. Bright colors + strong claws
B. Water storage + ability to migrate
A population of birds begins nesting earlier in the spring because insects are appearing earlier due to warmer temperatures. This is an example of:
A. A physical trait changing shape
B. A behavioral response to environmental change
C. Dehydration
D. Starvation
B. A behavioral response to environmental change