Ecology Big 20

Organisms that only eat/consume other animals

• Carnivore
• Herbivore
• Omnivore
• Omnomnivore

Answer explanation

Carnivores are meat-eaters, just like this tiger

Each trophic level receives about one-tenth (10%) of the energy of the level below it

• 10% Rule
• Food Web
• Limiting Factors
• Decomposer

Answer explanation

As you move up the trophic levels, 10% of the energy is lost. Just take away one zero as you move up (1000 -> 100 -> 10)

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Interaction in which two or more species use the same limited resource

• Parasitism
• Commensalism
• Competition
• Predation

Answer explanation

Competition is where organizing are fighting over the same resource, like food, mates, or sunlight. In this picture the lions and hyenas are fighting over food.

Shows how food chains are related within an ecosystem

• Symbiosis
• Ecosystem
• Food Web
• 10% Rule

Answer explanation

Food webs show the interactions of all the food chains.

Tags

NGSS.MS-LS2-3

A close relationship; one species benefits, the other doesn't benefit but isn't harmed; ex: Remora on a shark

• Parasitism
• Commensalism
• Competition
• Mutualism

Answer explanation

Remora attach themselves to sharks. Sharks get nothing in return and remora get free food.

Tags

NGSS.MS-LS2-2

All the living and nonliving things that interact in an area.

• 10% Rule
• Predator
• Community
• Ecosystem

Answer explanation

All living things (insects, algae, plants, animals) interact with all the nonliving things (sunlight, rocks, soil)

Tags

NGSS.MS-LS2-3

An animal that hunts other animals for food

• Predator
• Prey
• Predation
• Scavenger

Answer explanation

Predators are hunters. They hunt and kill their prey to eat.

Tags

NGSS.MS-LS2-4

Consumers that eat only plants

• Carnivore
• Herbivore
• Omnivore
• Scavenger

Answer explanation

An herb is a type of plant, so HERBivores eat only plants.

Animals that feed on decaying biomass, such as dead animals and/or plant matter

• Scavenger
• Decomposer
• Herbivore
• Carnivore

Answer explanation

Scavengers, like these vultures, don't hunt prey. They eat animals that have already died (like roadkill).

Tags

NGSS.MS-LS2-3

Conditions in the environment that put limits on where an organism can live

• Carrying Capacity
• Symbiosis
• Ecosystem
• Limiting Factors

Answer explanation

Limiting means there's not much left. Factors are water, food, space, sunlight.