Page 89 - Science Course 3 (Book 1)

Mo2-L6: Vocabulary Review

Direction: On each line, write the term from the word bank that correctly replaces the underlined words
from each sentence. NOTE: You may need to change a term to its plural form.

biotic potential carrying capacity habitat
limiting factor niche symbiotic relationship

1. Factors that can limit the growth of a population include water, space,
and food.

2. A population never reaches its potential growth in perfect conditions
with no limiting factors.

3. Instead, limiting factors cause a population to reach the largest number
of individuals of one species that an ecosystem can support over time.

4. Mutualism, parasitism, and commensalism are examples of
different species living together in a close relationship over a long period
of time.

5. Different species live in different physical places.

6. They also have differences in their particular ways of surviving and
obtaining resources.

Mo2-L6: Key Concept Organizer

Direction: Answer each question on the lines provided.

Limiting Factors
1. What are limiting factors?

2. What are four specific
resources that are limiting
factors?

3. How do these resources limit
a population’s growth?

4. What are three other limiting
factors that are not resources?

5. What two limiting factors
involve interactions with other
populations in the community?

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