Ecology review

Photosynthetic plants are what part of a food web?

• tertiary consumers

• secondary consumers

• producers

• primary consumers

Tags

NGSS.MS-LS1-6

What are herbivores?

• Animals that eat plants and animals.

• Animals that eat only plants.

• Animals that eat only animals.

• Animals that break down dead matter.

Tags

NGSS.MS-LS2-1

What is a decomposer?

• Organisms that make their own food.

• Animals that eat only plants.

• Organisms that break down organic matter.

• Organisms that feed on animal's remains and other dead matter.

The diagram pictured shows what?

• A food chain

• A food web

• A food pyramid

• A biomass pyramid

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is an example of a limiting factor?

• shelter

• strength

• number of offspring

• height

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Movement of individuals from a population

• density-independent factor
• density-dependent factor
• emigration
• immigration

Movement of individuals into a population

• density-independent factor

• density-dependent factor

• emigration

• immigration

Largest number of individuals in a species that the environment can support long-term.

• population delpunsity
• dispersion
• population growth rate
• carrying capacity

What is the original source of energy in most ecosystems?

• carbohydrates

• sunlight

• water

• carbon

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

symbiotic relationship in which both organisms benefit

• competition
• Mutualism
• nitrogen fixation
• energy pyramid

Tags

NGSS.MS-LS2-2