Book E Ch 1 Practice Test

1,  The clown fish lives among the stinging tentacles of the sea anemone but never gets stung. The sea anemone protects the clown fish from predators, and the clown fish helps bring food to the carnivorous sea anemone. What kind of relationship is this?

6. My wonderful students set up an experiment to determine if population density affected plant growth. Students took radish seeds and planted 2 seeds in one container and 8 seeds in the other container. Both containers were the same size, and both contained the same amount and type of soil. They carefully watered each container with the same amount of water each day and they put both containers in the same location to recieve the same amount of sunlight. My students observed the plants growth and saw that one container's plants looked healthier, greener, and with thicker stems than the other one.  What is the independant variable?

7. Anything that restricts the number of individuals living in a population is

The role a species plays within a community is its ____.

A carrying capacity is anything that restricts the number of individuals in a population

A symbiotic relationship that benefits both species is referred to as commensalism.

The place in which an organism lives is called its habitat