Practice Test # 2 2024 Sem 1

Front

What is a trophic level?

Back

A trophic level is the position an organism occupies in a food chain, food web, or ecological pyramid, indicating its role in the transfer of energy.

Front

What are the four main trophic levels?

Back

1. Producers 2. Primary Consumers 3. Secondary Consumers 4. Tertiary Consumers

Front

Which trophic level does an owl occupy?

Back

Tertiary Consumers

Front

How does carbon become locked inside the earth?

Back

The carbon-rich bodies of plants and animals decay into the earth after they die.

Front

Is wind considered abiotic or biotic?

Back

Abiotic

Front

What do the arrows in a food chain represent?

Back

The arrows indicate the flow of energy in one direction, from producers to consumers.

Front

What is a secondary consumer?

Back

A secondary consumer is an organism that eats primary consumers; for example, a snake that eats a mouse.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

Define abiotic factors in an ecosystem.

Back

Abiotic factors are non-living components of an ecosystem, such as sunlight, water, air, and temperature.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living organisms in an ecosystem, while abiotic factors are non-living elements.