SOL Review: Module 8 (Ecology)

_____ factors are all the living organisms that inhabit the environment. _____ factors are the nonliving elements in an ecosystem.

• biotic, abiotic

• abiotic, biotic

• environmental, stable

• abiotic, variable

_____ are groups of interbreeding individuals that live in the same place at the same time and compete for food, water, shelter, and mates.

• Communities

• Ecosystems

• Populations

• Biomes

____ is a process of the carbon cycle where fuels are burned in the presence of oxygen to release energy.

• photosynthesis

• decomposition

• nitrogen fixation

• combustion

In a pyramid of energy, typically, about _____ of the energy is transferred from one trophic level to the next.

• 50%

• 100%

• 10%

• 5%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

_____ are essential in the conversion of nitrogen-containing compounds to nitrogen forms that are accessible and usable by plants.

• Decomposers

• Chemotrophs

• Heterotrophs

• Producers

Tags

NGSS.MS-LS2-3

Eutrophication occurs from _____ of nutrients, which can lead to _____ of plants and algae in aquatic ecosystems.

• an abundance, low growth

• a lack, low growth

• an abundance, overgrowth

• a lack, overgrowth

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The organisms at the beginning of the food chain are

• consumers

• producers

• decomposers

• omnivores

Tags

NGSS.MS-LS2-3

In order to maintain homeostasis, it is MOST important for an animal to be able to

• respond to its environment

• hide from predators

• change its habitat

• increase its prey population

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which level of this food pyramid represents the largest biomass?

• bass

• algae

• minnows

• copepods

An increase in the number of skin cancer cases in the human population may suggest

• the ozone is thinning

• global warming is occurring

• eutrophication has increased

• transpiration has been limtied