3 years ago

PLEASE HELP!

Biology

1 answer:

ludmilkaskok [199]3 years ago

7 0

Answer:

Negative effects: Cutting down trees and littering have a negative effect on animals and plants.

Positive effects: Protecting endangered species and cleaning lakes and seas

Explanation:

Ecosystem science is the study of interrelationships among living organisms, biochemical processes, and human activities in ecological communities.

Two human activities which affect the ecosystem negatively:

1. Cutting down trees

2. littering harm animals and plants.

Two human activities which affect the ecosystem positively

1. Protecting endangered species

2. cleaning lakes and seas

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