Ecology quiz 2

What is ecology?

• The study of weather patterns

• The study of how living things interact with each other and their environment

• The study of rocks and minerals

• The study of space

Which of the following is a biotic factor?

• Temperature

• Sunlight

• Bacteria

• Soil pH

What is the difference between habitat and niche?

• Habitat is where an organism lives; niche is its role in the ecosystem

• They are the same thing

• Habitat is for plants; niche is for animals

• Habitat is its job; niche is where it lives

A community in ecology refers to:

• A group of the same species

• All living and non-living things in an area

• All different species living in the same area

• Just the plants in an ecosystem

Which organisms are producers?

• Lions

• Rabbits

• Oak trees

• Mushrooms

Primary consumers are:

• Plants that make their own food

• Animals that eat plants

• Animals that eat other animals

• Decomposers

What role do decomposers play?

• Hunt other animals

• Make their own food

• Break down dead organisms and recycle nutrients

• Eat only plants

In a food chain: grass → rabbit → fox → eagle, which is the secondary consumer?

• Grass

• Rabbit

• Fox

• Eagle

Population density is calculated by:

• Number of births minus deaths

• Number of individuals divided by area

• Total area divided by number of species

• Immigration minus emigration

Which method involves counting ALL individuals in a population?

• Indirect observation

• Sampling

• Direct observation

• Mark and recapture