LC- Ecology Part 1

Which best describes what a food chain shows you?

• Energy flow through an ecosystem

• Food flowing through an ecosystem

• Consumers going into other consumers

• Who eats who

What is the role of a producer?

• Gain energy from eating other organisms

• Breaking down dead stuff

• Use sunlight to make food

• Keep other species from overpopulating

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• They show what direction the energy is flowing between organisms.

• It shows how sunlight flows within an ecosystem.

• They represent how water is transferred within a habitat.

Which trophic level has the least amount of energy? 1-producers, 2-primary consumers, 3-secondary consumers, 4-tertiary consumers

• 1

• 2

• 3

• 4

What would happen to the blue whale population if the krill population went extinct?

• the blue whale population eats other things in the food web

• the blue whale population would increase

• The blue whale population would remain the same.

• the blue whale population would also decrease

Which is the correct transfer of energy or Food Chain?

• Sun > prairie grass > deer > snake

• Sun > plant seeds > robin > eagle

• Sun > plant seeds > robin > mountain lion

• Sun > plant seeds > field mouse > deer

The diagram provided shows a simple food web. Which group of organisms is not represented in the diagram?

• prey

• decomposers

• consumers

• producers

What some of the Secondary Consumers in this Food Web?

• Owl

• Fox

• Mouse

• Bird

• Rabbit

Reorder the following levels in ecology from SMALLEST to LARGEST.

• Population

• Ecosystem

• Organism

• Biosphere

• Community

Temperature

• Biotic (living)

• Abiotic (non-Living)