Unit 4/DCP Review

Front

What causes day and night on Earth?

Back

The rotation of Earth on its axis.

Front

What do different species of carnivorous animals that share the same habitat in an ecosystem do?

Back

They compete for biotic food.

Front

Which element is represented by the model of an atom shown?

Back

Boron.

Front

What is an organism that gets energy from eating dead organisms, non-living material, or waste called?

Back

Decomposer.

Front

Which cell components are most involved in determining hair color?

Back

Gene, Chromosome, Nucleus.

Front

What is the process called when Earth moves around the Sun?

Back

Revolution.

Front

What is the term for a living thing that produces its own food?

Back

Producer.

Front

What is the basic unit of life?

Back

Cell.

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organisms and recycle nutrients.

Front

What is the difference between a gene and a chromosome?

Back

A gene is a segment of DNA that codes for a trait, while a chromosome is a structure that contains many genes.