Ecology

Which of the following is NOT a biotic factor?

• Bear
• Lizard
• Dragonfly
• Water

Which of the following is an abiotic factor?

• Bear
• Lizard
• Dragonfly
• Water

All of the trout living in a lake make up a trout

• ecosystem
• niche
• population
• habitat

Your backyard is 10 meters by 10 meters. In one square meter, you count 5 dandelions. Estimate the population of dandelions in your backyard.

• 100
• 500
• 10
• 50

The role of an organism in its habitat, or how it makes its living, is called its

• community
• niche
• habitat
• population

The study of the relationships and interactions of living things with one another and their environment is called

• botany
• zoology
• genetics
• ecology

The term species refers to

• organisms of many related habitats
• an organism that is neither a plant nor an animal
• only multicellular organisms in the animal kingdom
• a group of organisms that is able to reproduce

Organisms that eat other things and obtain their energy by feeding on other organisms are called

• consumers
• autotrophs
• decomposers
• producers

An organism that breaks down wastes and dead organisms and returns the materials to the ecosystem is called a(n)

• consumer
• autotroph
• decomposer
• parasite

The wolves and moose on Isle Royale are an example of which type of relationship?

• mutualism
• predator-prey
• parasitism
• commensalism

Tags

NGSS.MS-LS2-4