EOC Biology

What is made up of all the populations in an area?

• Habitat

• Niche

• Community

• Ecosystem

The living world is organized in levels. Biotic and abiotic factors also can be arranged into levels of biological organization. Put the words below in order from the least complex to the most complex

• Community, Organism, Biome, Population, Biosphere, Ecosystem

• Organism, Population, Community, Ecosystem, Biome, Biosphere

• Organism, Biome, Population, Community Biosphere, Ecosystem

Tags

NGSS.MS-LS2-2

What is the ecological role of the seal?

• Primary Consumer

• Secondary Consumer

• Producer

• Tertiary Consumer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which organisms are both secondary and tertiary consumers in this food web?

• Chemosynthetic bacteria and amphipods

• Zooplankton and mussels

• Ratfish and octopuses

• Galatheid crabs and zoarcid fish

Tags

NGSS.MS-LS2-2

What is the term used to describe the movement of alleles between populations?

• Genetic drift

• Gene flow

• Natural selection

• Mutation

In the energy pyramid here, which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator

Tags

NGSS.MS-LS2-3

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Tags

NGSS.MS-LS2-3

Barnacles do not affect whales as they grow, but receive the benefit of a food source. This is

• parasitism

• mutualism

• commensalism

• neutralism

Tags

NGSS.MS-LS2-2

A bee receives nectar from a flower and carries the pollen to other flowers:

• predation

• parasitism

• mutualism

• commensalism

Tags

NGSS.MS-LS1-4

Which of the following statements best explains why the energy pyramid is narrowest at the top?

• The organisms at the top of the pyramid are the most efficient feeders.

• The organisms at the top of the pyramid have the largest population sizes.

• The organisms at the top of the pyramid need only a small amount of energy for their metabolism.

• The organisms at the top of the pyramid receive only a small fraction of the energy that originally enters the system

Tags

NGSS.MS-LS2-3