Enviro Final Exam

What is the carrying capacity of the graph?

• around 500

• more than 800

• less than 300

• around 700

Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators
• disease
• increase in available food
• drought

When death rate is equal to birth rate...

• population increases

• population decreases

• population stays the same.

• population rapidly increases then becomes stable

What will happen if all of the frogs in a population die?

• The frogs' predators will decrease and the frogs' prey will increase

• The frogs' predators will increase and the frogs' prey will decrease

• We better all pray because there isn't anymore frogs.

All living things get their energy from which of the following sources?

• food
• water
• sun

Which of the following is another word for a plant?

• autotroph
• heterotroph
• consumer

Which of the following is an organism that eats only meat?

• herbivore
• carnivore
• omnivore

What would most likely happen if the rabbit population was removed from the food chain grass —› rabbit —› fox?

• their would be more grass
• there would be less rabbits
• there would be more fox

Which is an example of a parasitic relationship?

• a bee pollinates a flower
• a tapeworm takes nutrients from a dog
• an orchid lives in a tree but does not harm the tree

Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?

• commensalism
• mutualism
• parasitiesm