Abiotic Factors + Energy in Ecosystems

Water, air, soil, and temperature are all examples of __________ factors.

What is the source of most energy on Earth?

An ecosystem is __________.

Non-living things in an ecosystem are called what?

Which is NOT an abiotic factor?

Looking at the graph from left to right, January, February, March, April, May, June, July, August, Septemeber, Octember, November, and December. During which month did Washington, DC receive the most precipitation?

A.December

B.August

C.April

D.Decmeber

Which organism is a producer?

Which trophic level has the most energy available to living things?

A.Trophic level 2

B.Trophic level 1

C.Trophic level 3

D.The energy available is the same for all trophic levels.

In which process do producers us chemical energy and make food?

What organisms help break down dried leaves in an ecosystem?

Which is true of energy in ecosystems?

Which organism would mostly likely appear at the top of an energy pyramid?

Ploy at a bacon, lettuce, and tomato sandwich. Which term BEST describes Ploy?

From what source do most producers on Earth get energy?

A food chain is one part of a food web. Which list is part of the food web shown in the picture?

A.diatoms → fish → leopard seal → orca

B.diatoms → krill → fish → great white shark → orca

C.copepods → diatoms → krill → fish → leopard seal → orca

D.orca → leopard seal → squid → copepods → diatoms

Which organism forms the base of the food web shown in the picture?

A.diatoms

B.fish

C.krill

D.orcas