Lesson 1
Environmental Science is one branch of ____?
a. abiotic
b. biotic
c. ecology
ecology
The ____ is the source of almost all of Earth's energy?
a. cellular respiration
b. community
c. ecosystem
d. sun
Sun
A(n) ___ is an animal that eats a variety of plant and animal material.
a. chlorophyll
b. consumer
c. omnivore
d. photosynthesis
omnivore
In a(n) ___, energy is passed along from a producer to a consumer and then sometimes to another consumer.
a. energy
b. food chain
c. food web
d. producers
food chain
The unique role that that an organism plays in its environment is called its ___.
a. boom-bust cycle
b. camouflage
c. niche
d. predator
niche
Leather and Wood are ____ factors that have cells.
a. abiotic
b. biotic
c. ecology
abiotic
Cells use the process of __ to get energy from food.
a. cellular respiration
b. community
c. ecosystem
d. sun
cellular respiration
In ___ plants use sunlight, water and carbon dioxide to produce food and oxygen.
a. chlorophyll
b. consumer
c. omnivore
d. photosynthesis
photosynthesis
A(n) __ shows many feeding relationships in an ecosystem.
a. energy
b. food chain
c. food web
d. producers
food web
In a __, the numbers of predators and prey rise and fall depending on each other.
a. boom-bust cycle
b. camouflage
c. niche
d. predator
boom-bust cycle
The different kinds of life are part of the ____ factors in an environment?
a. abiotic
b. biotic
c. ecology
Biotic
Different species that live on the same area form a(n) ___.
a. cellular respiration
b. community
c. ecosystem
d. sun
community
A green pigment in plants that absorbs sunlight is ___.
a. chlorophyll
b. consumer
c. omnivore
d. photosynthesis
chlorophyll
The first trophic level in an ecosystem includes ___.
a. energy
b. food chain
c. food web
d. producers
producers
An animal that activity hunts and kills its prey is called a ___.
a. boom-bust cycle
b. camouflage
c. niche
d. predator
predator
____ is a pesticide that caused serious problems for birds, insects and people.
a. DDT
b. carbon
c. iron
d. chlorophyll
DDT
Plants, animals and other living things in a(n) ___ are connected by cycles of energy and nutrients.
a. cellular respiration
b. community
c. ecosystem
d. sun
ecosystem
A(n) ___ cannot make its own food and must feed on other organisms.
a. chlorophyll
b. consumer
c. omnivore
d. photosynthesis
consumer
An energy pyramid shows the number of species and the amount of __ available at each trophic level.
a. energy
b. food chain
c. food web
d. producers
energy
Primary and secondary __ are two kinds of change in an ecosystem over time.
a. old-growth forest
b. pioneer species
c. succession
succession
Examples of biotic (living) factors in an ecosystem include______
a. butterflies and rocks
b. water and sunlight
c. squirrels and fungi
d. weather and grass
Squirrels and fungi
A ___includes all the members of one species that live in the same area.
a. community
b. niche
c. population
d. kingdom
population
___ are needed for photosynthesis to occur.
a. sunlight and carbon dioxide
b. salt water and oxygen
c. sunlight and oxygen
d. salt water and carbon dioxide
sunlight and carbon dioxide
A(n) __ is considered a secondary consumer.
a. tree
b. mouse
c. eagle
d. fungus
eagle
The first organisms to move into a lifeless are called ___.
a. old-growth forest
b. pioneer species
c. succession
pioneer species