1. TCAP Practice Questions

2. Which of these is necessary for an ecosystem to be healthy?
Pesticides
Biodiversity
Extinction
Catastrophe B

3. Which of the following is one reason that an animal may become extinct?
Expansion of the animals hunting area
Abundance of the animals food
Loss of the animals habitat
The animal lack of predators C

4. Unlike extinction millions of years ago, today’s extinctions are mainly being caused by:
Humans
Meteors
Volcanoes
sharks A

5. Which item below would complete this food chain? giraffe
tree leaves
mice
grasshoppers
cactus A

6. Most food chains start with:
an animal
a mouse
a plant
the ocean C