Unit 8 Ecology Test Review

Front

What is the best estimate for the hedgehog population if 36 hedgehogs are marked and 18 out of 150 trapped are marked?

Back

300

Front

What makes Fungi unique in trophic levels?

Back

They are consumers of all types of organisms because they decompose.

Front

What is an individual belonging to a specific species called?

Back

Organism

Front

What kind of dispersion is characterized by individuals being evenly spaced?

Back

Uniform dispersion.

Front

Which symbols best describe parasitism?

Back

+,-

Front

What is the definition of ecology?

Back

The study of interactions between organisms and their environment.

Front

What is a biotic factor?

Back

A living component of an ecosystem, such as plants and animals.

Front

What is an abiotic factor?

Back

A non-living component of an ecosystem, such as water, sunlight, and temperature.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.