Populations and Communities

An organism's habitat must provide all of the following exept _______________.

• food

• water

• disease

• shelter

Tags

NGSS.MS-LS2-1

The nonliving parts of an ecosystem are called _____________.

• populations

• organisms

• biotic factors

• abiotic factors

Tags

NGSS.MS-LS2-3

To produce their own food, algae and plants use the abiotic factors sunlight, carbon dioxide, and _____________.

• soil

• salt

• water

• bacteria

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A population is all the members of one species living in a particular ______________.

• area

• habitat

• ecosystem

• community

A group of antelope leaving the herd in search of better grassland is an example of _____________.

• immigration

• emigration

• increasing birth rate

• decreasing death rate

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If you count 20 beetles ina garden measuring 5 square meters, the population density of the beetle is ______ beetles per square meter.

• 100

• 20

• 5

• 4

An organisms's particular role in its habitat, or when and how it survives, is called its ________________.

• carrying capacity

• ecosystem

• competition

• niche

All of the following are examples of limiting factors except ______________.

• food

• soil

• space

• weather conditions

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is an example of a predator adaptation?

• a porcupines's needles

• a shark's powerful jaws

• a frog's bright colors

• a plant's poisonous chemicals

Tags

NGSS.MS-LS4-4

In which type of interaction do both species benefit?

• predation
• mutualism
• commensalism
• parasitism

Tags

NGSS.MS-LS2-2