WGU Biology

This scientist is called a _____________.

• Botanist

• Chemist

• Zoologist

• Meteorologist

A biologist studies the structure, function, growth and origin of living organisms.

• True

• False

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-5

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What is composed of several food chains in an ecosystem that intersect and depend on one another?

• niche

• feeding level

• energy pyramid

• food web

Tags

NGSS.MS-LS2-3

What is the ultimate source of energy in any food chain?

• the sun

• producers

• consumers

• decomposers

Tags

NGSS.MS-LS1-6

Which statement describes an autotroph?

• It is an organism that makes its own food.

• It is an organism that eats other organisms.

• It is an organism that eats decaying matter.

• None of the above.

Which of these phrases describes the biotic factors of an ecosystem?

• the number of individual organisms in each trophic level of an ecosystem

• any living part of an environment

• an organism that eats only meat

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which organisms can be found at the first, or lowest, trophic level?

• herbivores

• carnivores

• heterotrophs

• autotrophs

Tags

NGSS.MS-LS1-6

Which situation is a biotic factor operating within an ecosystem?

• the kind of climate in a given region

• carnivores that eat other animals

• the concentration of hydrogen gas in the air

• the rate of water flow in a body of water

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Weather (such as rain) and soil conditions are considered to be part of the ____________ factors of an ecosystem.

• biotic

• antibiotic

• abiotic

• biomass

Tags

NGSS.MS-ESS2-5

All the nonliving things in an environment are called the ________ factors.

• abiotic

• biotic

• ecological

• inorganic

Tags

NGSS.MS-LS2-3