Q2 WEEK 8 - Interaction and interdependence

What are the two important relationships in an ecosystem?

• symbiosis and predation

• mutualism and parasitism

• interaction and interdependence

• biotic potential and environmental resistance

Which of the following condition does NOT show abiotic factors in an ecosystem?

• cactus growing in hot, dry regions

• earthworm burrowing for habitation

• polar bears living in a very cold environment

• A young woman gave birth to a healthy baby boy

The biotic and abiotic factors that prevent the growth of a population like food, water and space is called _____________________.

• limiting factor

• biotic potential

• carrying capacity

• environmental assistance

What do you call the area in which the living things interact with one another and with their environment?

• habitat

• population

• ecosystem

• community

a tree is under which factor of the ecosystem?

• biotic factor

• abiotic factor

Water is under which factor of the ecosystem?

• biotic factor

• abiotic factor

a cow is under which factor of the ecosystem?

• biotic factor

• abiotic factor

What factors control the increase in population growth?

1. adequate food

2. competitors

3. disease

4. water

5. sunlight

• 1, 2

• 2, 3

• 3, 4

• 4, 5

Which of the following essential factors determine biotic potential?

• diseases

• lack of food

• number of offspring

• lack of suitable habitat

What is the connection between biotic potential and environmental resistance?

• Biotic potential increases the population whereas environmental resistance confines its growth

• Biotic potential increases the population while environmental resistance decreases its growth.

• Biotic potential and environmental resistance are the two factors that increase the population growth

• Biotic potential and environmental resistance are the two factors that limit the population explosion.