Day 5 environmental changes

Changes to an environment may make it more difficult for an organism to find-

• food.

• shelter.

• water.

• all of the above

When an environment changes and organisms can no

longer meet their basic needs they will most likely −

• increase

• decline

organisms that entered a new ecosystem and multiplied, hurting native species and their habitats

• Invasive species

• impact

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease

• increase

What would cause a decrease in the rabbit population?

• An increase in grass growing

• An increase in fox

What would happen if the mouse population went extinct?

• The fox would increase

• The Blackberry plants would increase

There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem?

• Predators of the bass might starve due to loss of a food source

• The population of the bass’ prey would decrease.

which organisms would have the greatest impact on the ecosystem causing it to become unstable if they began declining.

• owl

• Producer