Africa Storyline Study Guide

Front

What is a kilocalorie?

Back

A kilocalorie is a unit of energy commonly used to measure the energy content of foods. It is equivalent to 1,000 calories.

Front

What are the products of cellular respiration?

Back

The products of cellular respiration are carbon dioxide (CO2), water (H2O), and ATP (energy).

Front

In a predator-prey relationship, what is the role of the salmon in relation to the grizzly bear?

Back

The salmon is the prey for the grizzly bear.

Front

What happens to kelp populations when sea otter numbers decrease?

Back

As the sea otter population decreases, kelp populations also decrease.

Front

What is a producer in an ecosystem?

Back

A producer is an organism, typically a plant, that can make its own food through photosynthesis and serves as a food source for other organisms.

Front

Define cellular respiration.

Back

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

Front

What is the role of a consumer in an ecosystem?

Back

A consumer is an organism that cannot produce its own food and must eat other organisms (plants or animals) for energy.

Front

Explain the concept of competition in ecology.

Back

Competition in ecology refers to the struggle between organisms for the same resources (such as food, space, or light) in an ecosystem.

Front

What is the significance of energy flow in an ecosystem?

Back

Energy flow in an ecosystem is crucial as it determines how energy is transferred from producers to consumers and decomposers, maintaining the balance of the ecosystem.

Front

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

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.