unit 2

has thin strong needles for leaves

• spruce trees

• strangler figs

• weeds in a crop

plants that germinate, grow, produce seeds and die in less than one year are called

oryx feed

• mostly at night to reduce evaporation

• during the day to have more energy

• at all times

have streamlined bodies

• earthworms

• oryx

• sealions

in the exoeriment: investigating camel grazing in dubai, the independent variable was

• the type of animal that was grazing

• the number of plants

• the size of the plot

a sample must be

• small

• fairly large for accurate results

• random

• fairly large and random

microscopic plants that float in the water

Decomposers produce _____ to break down starch

decomposers can break down

• anything

• organic matter

• only starch

a falling population

• has an increasing birth rate and decreasing death rate

• increasing death rate and decreasing birth rate