What is the source of energy for a tree?
The Sun
Where does a rabbit receive its energy?
Its food (grass, vegetables)
Why did a population of deer recently increase in size?
Their predators were disappearing.
If a population of koalas is unable to find enough eucalyptus leaves to meet their needs, which will most likely happen?
The population of koalas will decrease
Has hair, has live babies, is warm-blooded, and produces milk
mammals
What happens if you grow a plant in a dark area?
It will not grow.
How does energy flow through this food chain?
grasshopper...sun...grass
sun...grass...grasshopper
Clover → Grasshopper → Frog → Snake → Owl
What would happen if the snakes were taken out of this food chain?
Frogs will increase
What does a fire take away from a forest that squirrels need to survive?
food and shelter
Lays eggs in water, has moist skin, is cold-blooded, has gills & lungs, and can live on land and in water
amphibians
Which is most likely the reason that trees in a forest are different heights?
Some trees need less sunlight than others.
How does energy flow through this food chain?
caterpillar...leaves...bird
leaves...caterpillar...bird
algae → mussels → sea snails → blue crabs → sea turtle
What would decrease first if the number of sea turtles went up?
blue crabs
If a tall tree falls over in a crowded forest, which resource becomes available to the surrounding plants?
sunlight
Has feathers, wings, beaks, lays eggs, and can fly
birds
A chicken is able to gain energy that came from the Sun by...
eating seeds
Animals that eat plants are called...
herbivores
sunflower seed → cricket → robin → fox → coyote
What would cause the number of foxes to increase?
fewer coyotes
A prolonged period of abnormally low rainfall, leading to a shortage of water is...
drought
Breathes with gills, lays eggs or gives birth to live young, live in water, has scales, and is cold-blooded
fish
Howie put his plants under a plant light. What was he helping his plants do by providing light?
Make food
Animals that eat meat are...
carnivores
Leaf → Cricket → Frog → Garter snake → Skunk
What would most likely cause the number of garter snakes to decrease?
more skunks
An overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land is...
a flood
Usually covered with scales or bony plates, has dry scaly skin, most lay eggs, and is cold-blooded
reptiles