B.13A Intro and Scaffold

What is a biotic factor in an ecosystem?

• Water

• Temperature

• Plants

• Rocks

Which of the following is an abiotic factor?

• Animals

• Bacteria

• Fungi

• Sunlight

What determines how large a population can grow in an ecosystem?

• The number of predators

• The amount of available resources

• The diversity of species

• The presence of diseases

What do lions and hyenas compete for in the same ecosystem? (choose more than one)

• Water sources

• Mates

• Prey

• Shelter

How do plants attract pollinators?

• By growing taller

• By producing colorful flowers and sweet nectar

• By spreading seeds

• By releasing toxins

What is one abiotic factor that all organisms depend on?

• Soil composition

• Water

• Temperature

• Sunlight

How do plants adjust to temperature changes?

• By migrating to warmer areas

• By storing resources in their roots

• By changing their color

• By growing faster

Why is soil composition important for ecosystems?

• It supports plant growth

• It regulates temperature

• It provides sunlight

• It controls water flow

What is predation in an ecosystem?

• A relationship where organisms share resources equally.

• A relationship where one organism hunts and eats another.

• A relationship where organisms live in harmony.

• A relationship where organisms compete for resources.

Which of the following is an example of predation?

• A lion hunting an antelope.

• Two plants growing side by side.

• Birds building nests in trees.

• Fish swimming in a school.