Science 7: Life Science

Which of these best completes the

statement about the interaction of the

respiratory system with the circulatory

system? The lungs add —

• nutrients to the blood

• bile to the blood

• oxygen to the blood

• carbon dioxide to the blood

A tick that feeds on the blood of

animals is a —

• predator

• host

• competitor

• parasite

Which of the following do typical plant

cells have that typical animal cells

do not?

• Cytoplasm

• Nuclei

• Mitochondria

• Chloroplasts

The kangaroo rat is able to get all of

the water it needs through its food

and, therefore, never needs to drink

liquids. This animal has adapted to

survive in which biome?

• Forest

• Tundra

• Desert

• Grassland

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

Which of these could cause a decrease

in the number of squirrels in a

population?

• An increase in cooperation with birds in

  the area

• An increase in the squirrels’ territory

• An increase in competition with other

  nut-eating animals

• An increase in the squirrels’ food supply

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which level of organization below is

the most basic or primary level of

organization?

• Cell

• Tissue

• Organ

• Organ System

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Sponges are classified as animals

because they cannot —

• move from place to place

• make their own food

• get rid of waste products

• catch their own food

Mendel’s early work with pea plants

demonstrated a significant genetic

discovery. The crossing of homozygous

tall pea plants with homozygous short

pea plants always resulted in tall

plants and demonstrated that tallness

in pea plants is a trait that is —

• blended

• dominant

• mutated

• recessive

The loss of which of these would have

the least effect on the water cycle?

• Soil

• Rivers

• Animals

• Plants

Tags

NGSS.MS-ESS2-4

Which of these processes helps extract

energy from food?

• Reproduction

• Digestion

• Excretion

• Circulation