Water Cycle
Name two forms of precipitation.
Rain, snow, sleet, hail
The smallest unit of an ecosystem is called ___
a. organism
b. population
c. community
Organism.
ONE member of a species is an ORGANISM.
What does the line on a graph do if a population increases?
It goes up.
An animal that is killed and eaten is called ___
a. prey
b.predator
Prey
Animals that eat only plants.
a. herbivores
b. carnivores
c. omnivores
Herbivores
Where does the energy come from that causes the water cycle?
The sun
Living things or things that came from living things are called ___
a. biotic factors
b. abiotic factors
Biotic Factors
What does a line on a graph do if a population decreases?
The line goes down
An animal that hunts and kills for food is called __
a. prey
b. predator
Predator
Animals that eat both plants and animals.
a. herbivores
b. carnivores
c. omnivores
Omnivores
What do we call the repeated movement of water between the earth and its atmosphere?
The water cycle
Which of the following is a biotic factor?
a. leaves
b. sunlight
c. water
Leaves
What is the main way populations increase in size?
Birth
Which of the following is a predator?
a. deer
b. rabbit
c. wolf
Wolf
Bacteria and fungus break down the remains of organisms. They are called ___
a. herbivores
b. carnivores
c. decomposers
Decomposers
Liquid water gets energy and particles change to gas.
a. evaporation
b. condensation
c. precipitation
Evaporation
The non-living things in the environment, like rocks and water, are called ____.
a. biotic factors
b. abiotic factors
Biotic Factors
The main way a population decreases in size is by ___
Death
A(n) ____ is a behavior or physical characteristic that allows an organism to live successfully in its environment.
a. habitat
b. adaptation
c biotic factor
adaptation
What is at the beginning of every food chain?
Sunlight
Water vapor cools and becomes water droplets.
a. evaporation
b. condensation
c. precipitation
condensation
Sunlight and water are abiotic factors. Name another abiotic factor.
Dirt, rocks, air, temperature
What would happen to a population of rabbits if the population of hawks increased?
There would be more hawks to hunt the rabbits so the population of rabbits would decrease.
What adaptation helps an animal blend in with its surroundings?
Camouflage
What kind of organism make their own food by photosynthesizing?
a. plants
b animals
c. decomposers
Plants use sunlight to make food for themselves.