Africa Storyline Unit Review

Front

What happens to a starfish population if sea turtles prefer to eat dark colored starfish?

Back

The population would become lighter in color over time.

Front

What processes do plants perform?

Back

Plants perform BOTH photosynthesis and cellular respiration.

Front

How many kcals does a buffalo weighing 500 kg need to consume daily if it requires 100 kcal per kg?

Back

50,000 kcal.

Front

Where is most nitrogen found, and how do bacteria help it?

Back

Most nitrogen is found in the atmosphere; bacteria help bring it to soil where it can be used by living organisms.

Front

Which starfish would provide the most kcals?

Back

The first one.

Front

Define photosynthesis.

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

Explain the nitrogen cycle.

Back

The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms, including fixation, nitrification, and denitrification.

Front

What is the role of predators in an ecosystem?

Back

Predators help control the population of prey species, maintaining balance in the ecosystem.

Front

What is the significance of energy transfer in food chains?

Back

Energy transfer in food chains is crucial for sustaining life, as it determines the flow of energy from producers to consumers.