Ecology Review

Front

Which organisms are BOTH secondary and tertiary consumers in this food web? Options: Chemosynthetic bacteria and amphipods, Zooplankton and mussels, Ratfish and octopuses, Galatheid crabs and zoarcid fish

Back

Ratfish and octopuses

Front

Back

100 joules

Front

Why is the agouti important to the rain forest ecosystem?

Back

It eats and disperses the trees' seeds.

Front

Back

commensalism

Front

Classify the following relationships: Seabirds, Jellyfish, Copepods.

Back

Seabirds: mutualism
Jellyfish: predation
Copepods: parasitism

Front

A student studying primary succession should focus on which of these communities? Open oak woodland, Mesquite grassland, Floodplain, Granite Rock

Back

Granite Rock

Front

During secondary succession, why do decomposing pioneer plants give way to larger, more complex plant species?

Back

Increased amounts of soil from decomposing pioneer species allow plants with more extensive root systems to become established.

Front

Why are saprophytes an important part of the biogeochemical cycle?

Back

Saprophytes return organic material to the soil for use by living organisms

Front

Identify the nature of symbiosis: Snails make their own shells by extracting carbon from the ocean. Hermit crabs live in the abandoned snail shells.

Back

Commensalism

Front

Identify the nature of symbiosis: Beechdrops are leafless plants that lack chlorophyll and obtain nourishment from the roots of beech trees, reducing nutrients available to beech trees.

Back

Parasitism