Africa Storyline Part 1 Test Review

Front

What are secondary (2nd) consumers in an ecosystem?

Back

Secondary consumers are organisms that eat primary consumers (herbivores). They can be carnivores (meat-eaters) or omnivores (eating both plants and animals).

Front

How many chromosomes does a lion cub inherit from its mother?

Back

A lion cub inherits half of its chromosomes from its mother.

Front

What is a biotic factor in an ecosystem?

Back

A biotic factor is a living component of an ecosystem that affects the survival of organisms, such as predators, prey, and competitors.

Front

What must be true about the energy cost of hunting for lions?

Back

The energy cost to hunt the prey must be less than the energy the lion has stored.

Front

What are the monomers of lipids?

Back

The monomers of lipids are glycerol and fatty acids.

Front

Define producers in an ecosystem.

Back

Producers are organisms that create their own food through photosynthesis or chemosynthesis, forming the base of the food chain.

Front

What role do herbivores play in an ecosystem?

Back

Herbivores are primary consumers that eat plants and convert the energy from plants into a form that can be consumed by secondary consumers.

Front

What is the difference between carnivores and omnivores?

Back

Carnivores primarily eat meat, while omnivores eat both plants and animals.

Front

Explain the concept of energy transfer in a food chain.

Back

Energy transfer in a food chain occurs when one organism eats another, with energy being passed from producers to primary consumers and then to secondary consumers.

Front

What is the significance of karyotypes in genetics?

Back

Karyotypes are used to study the number and structure of chromosomes in an organism, helping to identify genetic disorders.