A) Complete the following statement. (1 point)
Green plants are
producers in the food chain because they are able to convert sunlight into energy through photosynthesis, providing food for themselves and other organisms.
A) Complete the following, using the word bank provided. (1 point)
An organism that uses energy to produce its own food supply from inorganic compounds is called
a(an)
consumer carnivore decomposer omnivore heterotroph
autotroph detritivore
autotroph
A) Which is a biotic factor that affects the size of a population in a specific ecosystem?
(1 point)
type of soil in the ecosystem
concentration of oxygen in the ecosystem
average temperature of the ecosystem
number and kinds of predators in the ecosystem
number and kinds of predators in the ecosystem
A) What can cause a population to grow? (1 point)
The birthrate becomes lower than the death rate.
The birthrate stays the same, and the death rate increases.
The birthrate and the death rate remain the same.
The birthrate becomes higher than the death rate.
The birthrate becomes higher than the death rate.
A) Which of the following descriptions about the organization of an ecosystem is correct?
(1 point)
Species are grouped in populations, which make up communities.
Communities make up species, which make up populations.
Species make up communities, which make up populations.
Populations make up species, which make up communities.