Unit 1 - Specific

All of the Mule Deer on earth are members of the same _.

• geosphere

• ecosystem

• hydrosphere

• species

Tags

NGSS.MS-LS2-3

The illustration shows biotic and abiotic factors in a pond ecosystem. Which are biotic factors of the pond ecosystem?

• fish, water lilies, and frogs

• pond water and rain that falls on the pond

• air above the pond, and the pond water

• the sunlight that shines on the pond

Tags

NGSS.MS-LS2-4

Which of the following describes an exchange of carbon FROM the atmosphere TO the biosphere?

• Photosynthesis

• Animal Respiration

• CO2 Gas Exchange

• Burning Fossil Fuels

Tags

NGSS.MS-LS1-6

Ecology includes studying ecosystems at different levels. Which is the largest or broadest level?

• population

• biosphere

• community

• ecosystem

According to this graph, the wolves represent a _ to the rabbit population.

• density-dependent limiting factor

• density-independent limiting factor

• source of fear

• resource availability

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following BEST describes the hydrosphere?

• water in any location on Earth, including the atmosphere, surface, and underground.

• bodies of water on the surface of Earth, but not the water in the atmosphere or underground

• salt water in the oceans, but not fresh water

• water that is underground or mixed into the geosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Marita is analyzing the population of various songbirds in her neighborhood. She estimates how the population is increasing by _ and decreasing by _ as birds are born and die.

• death rate, birth rate

• birth rate, death rate

• immigration, emigration

• emigration, immigration

Tags

NGSS.MS-LS2-4

Maria thinks that the blue jays in her study neighborhood are experiencing _ because their population doubled over a short time.

• logistic growth

• carrying capacity

• exponential growth

• leaps and bounds

Tags

NGSS.HS-LS2-2

Vernon is studying the population of deer in a tract of forest. He gathers the following data.

Birthrate: ~50 deer/year

Death rate: ~70 deer/year

Which additional observation would support the conclusion that the deer population is NOT changing size from year to year, meaning that the net population change is 0?

• About 20 deer per year immigrate to the tract of forest.

• About 20 deer per year emigrate from the tract of forest.

• The average life span of a member of the deer population is 20 years.

• If a deer survives its first year of life, its average life span is 20 years.

Tags

NGSS.MS-LS2-4

The graph describes the population of dandelions in a field over the course of one summer.

Which statement best describes the growth of the dandelions?

• Linear growth occurs because the field provides abundant but limited resources during the summer.

• Logistic growth occurs because the field provides unlimited resources during the summer.

• Exponential growth occurs because the field provides unlimited resources during the summer.

• Fluctuating growth patterns occur because the population reached the carrying capacity of the field during the summer.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4