Ecology Test Review

Which of the following shows the correct sequence from smallest to largest of the ecological levels of organization?

• community, population, organism, ecosystem ,biosphere

• biosphere, ecosystem, population, community, organism

• organism, population, community, ecosystem ,biosphere

• organism, population, ecosystem, community, biosphere

Which of the following choices represents an abiotic factor in an ecosystem?

• Lemon tree

• Newt

• Rock

• Bacteria

Tags

NGSS.MS-LS2-3

Which best describes one species living together in the same area?

• community

• population

• ecosystem

• biosphere

The organisms in a forest are likely to include bacteria, grass, shrubs, trees, insects, spiders, birds, and small mammals. Together, all these organisms make up —

• a population.

• a community.

• a kingdom.

• an experimental group.

Algae and plants are considered to be autotrophs. What does it mean to be an autotroph?

• absorb nutrients from their environment.

• break down starches to glucose.

• decompose dead organisms.

• make their own food using sunlight.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Many bacteria are decomposers. Which best describes how they get their energy?

• by absorbing minerals from the soil

• by capturing energy from the sun

• by breaking down decaying organic matter

• by eating other organisms

Tags

NGSS.MS-LS2-3

The corn and flowering plants in the food web are examples of -

• producers

• decomposers

• primary consumers

• secondary consumers

Tags

NGSS.MS-LS2-3

In the food web, the wolf eats -

• the rat and the thrush

• the eagle and the python

• the rat, thrush, eagle, and the python

• the frog and dragonfly

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which change would most likely cause a decrease the population of frogs?

• an increase in grasshoppers

• an increase in pythons

• a disease in the eagle population

• an increase in mangoes

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

According to the energy pyramid, the most energy is present at the level of the -

• plants

• insects

• frogs

• hawks

Tags

NGSS.MS-LS2-3