Answer:
Plants are_______?
A. Producers
B. Consumers.
C. Herbivores.
D. Omnivores.
( They make their own food )
What is the original source of almost all the energy in most ecosystems?
A. Carbohydrates
C. Water
B. Sunlight
D. Carbon
( In most ecosystems, the ultimate source of all energy is the sun. )
An organism that uses energy to produce its own food supply is called
A. Heterotroph.
C. Detritivore.
B. Consumer.
D. Producer
? ( Those organisms are Green plants, They are called Autotrophs)
An organism that cannot make its own food is called a (an)
A. Consumer
C. Autotroph.
B. Chemotroph.
D. Producer
(consumers. Some consumers such as mice, rabbits, and deer eat plants. )
Organisms that obtain nutrients by breaking down dead and decaying plants and animals are called
A. Decomposers
C. Autotrophs.
B. Omnivores.
D. Producers.
( Decomposers (fungi, bacteria, invertebrates such as worms and insects) )
Place the categories in order from smallest to largest.
A.biosphere, ecosystem, community, population, organism
B.organism, population, community, ecosystem, biosphere
C.biosphere, population, ecosystem, community, organism
D.organism, community, ecosystem, population, biosphere
An environment's biotic and abiotic factors interact to make a (n)
A. Habitat.
B. Ecosystem.
C. Niche.
D. Resource
( Abiotic and biotic factors combine to create a system or, more precisely, an ecosystem )
What factor should replace the question mark?
Biotic factors - pine trees, squirrels, bacteria
Abiotic factors - light, water, ?
A. Soil
B. Ferns
C. Worms
D. Cacti
( abiotic factors light water soil relative humidity temperature )
Explanation:
Hope this helped :D
