Science Homework Help

A consumer is directly facilitated by a positive interaction between its prey and another species. This

interaction is apparent competition.

 True

 False

“When a keystone predator was removed from a biological community in Jamaica bay, there was an overall decline in the biodiversity. This is an example of _____ control.”

top-down

bottom-down

Intermediate

a & b

A group of interacting species that occur together at the same place and time is known as a(n)____.

species network

ecosystem

biome

community

interaction web

A keystone species can be best described as ?

an abundant species that may or may not affect other species

a rare or uncommon species that has a strong effect on its community

a species that takes up a great deal of space in a community

a common species that has a strong effect on its community

Allelopathy is a form of interference competition where one species of plant releases toxins to prevent another species of plant from growing

 True

 False