2023 Biology 1st Semester Final Exam Review

Front

Why are detritivores/decomposers critical to maintaining homeostasis in the carbon cycle?

Back

They help break down organic matter and recycle carbon back into the atmosphere.

Front

What is the variety of life within an ecosystem called?

Back

Biodiversity

Front

What is a species' specialized role in an ecosystem, including what they eat and where they live?

Back

Niche

Front

How do producers obtain their carbon from the environment?

Back

From the atmosphere

Front

If grass has 100 kcal of energy, how much will be passed on to the snake?

Back

0.1 kcal

Front

What is the process by which plants convert carbon dioxide into organic matter?

Back

Photosynthesis

Front

What term describes the maximum population size that an environment can sustain?

Back

Carrying capacity

Front

What is the term for the relationship where one organism benefits and the other is harmed?

Back

Parasitism

Front

What is the primary source of energy for most ecosystems?

Back

The Sun

Front

What is the term for the role and position a species has in its environment?

Back

Ecological niche