Which of the following describes a population?
a. dogs and cats living in Austin, Texas
b. four species of fish living in a pond
c. dogwood trees in Middletown, Connecticut
What is c. dogwood trees in Middletown, Connecticut
100
Scientists who study the connections among living things specialize in the science of
a. ecology.
b. biology.
c. chemistry.
What is a. ecology.
100
Which of the following is an example of an organism?
a. a fossil
b. a grass plant
c. Earth
What is b. a grass plant
100
The plants a ladybug lives on, the aphids that the ladybug eats, and the birds that would eat the ladybug are all
a. biotic parts of the environment.
b. physical factors in the environment.
c. abiotic parts of the environment.
What is a. biotic parts of the environment.
100
The study of how organisms interact with each other and their physical environment.
a. Population
b. Ecology
c. Omnivore
What is b. Ecology
200
The ____ part of the environment is all of the organisms that live together and interact with one another.
a. biotic
b. abiotic
c. ecological
What is a. biotic
200
____ is the source of energy for almost all living things.
a. Sunlight
b. Water
c. Soil
What is
a. Sunlight
200
Nature's "recyclers" are
a. predators.
b. decomposers.
c. producers.
What is b. decomposers.
200
Prairies, steppes, and pampas are types of ____ biomes.
a. chaparral
b. desert
c. grassland
What is c. grassland
200
An animal that feeds on both plants and animals to survive. Humans are an example.
a. Population
b. Ecology
c. Omnivore
What is c. Omnivore
300
Organisms must have food because
a. food is a source of energy.
b. food supplies cells with oxygen.
c. organisms never make their own food.
What is a. food is a source of energy.
300
Animals that eat a variety of meats, fruits, and vegetables are
a. carnivores.
b. omnivores.
c. decomposers.
What is b. omnivores.
300
Herbivores, carnivores, and decomposers are all
a. producers.
b. predators.
c. consumers.
What is c. consumers.
300
Which of the following is an abiotic part of a desert?
a. cacti
b. sand
c. temperature
d. both (b) and (c)
What is d. both (b) and (c)
300
A factor created by a living thing or any living component within an environment in which the action of the organism affects the life of another organism, for example a predator consuming its prey.
a. abiotic
b. biotic
c. ecosystem
What is b. biotic
400
Most producers are
a. animals.
b. herbivores.
c. plants.
What is c. plants.
400
Organisms that eat producers or other organisms to obtain energy are called
a. consumers.
b. producers.
c. decomposers.
What is a. consumers.
400
Organisms that use sunlight directly to make food are called
a. consumers.
b. producers.
c. decomposers.
What is b. producers.
400
Which of the following is a biotic part of a forest?
a. trees
b. rocks
c. water
d. both (b) and (c)
What is a. trees
400
Nonliving; specifically, the nonliving components of an ecosystem, such as temperature, humidity, the mineral content of the soil, etc.
a. abiotic
b. biotic
c. ecosystem
What is a. abiotic
500
A ____ is a consumer that eats animals.
a. scavenger
b. decomposer
c. carnivore
What is c. carnivore
500
A ____ is a consumer that eats plants.
a. carnivore
b. scavenger
c. herbivore
What is c. herbivore
500
A tick sucks blood from a dog. In this relationship, the tick is the ____ and the dog is the ____.
a. parasite, prey
b. parasite, host
c. parasite, host
What is a. parasite, prey
500
Bacteria and fungi are examples of
a. omnivores.
b. scavengers.
c. decomposers.
What is c. decomposers.
500
A group of individuals of the same species living in the same area at the same time and sharing a common gene pool. A group of potentially interbreeding organisms in a geographic area.
a. Population
b. Ecology
c. Omnivore