Ecology - EOC Review

The ____________ is the portion of the Earth which contains all life.

• Ecosystem
• Population
• Community
• Biosphere

Which of the following represents a POPULATION?

• One single alligator.
• A group of alligators. 
• Alligators, fishes, grasses, mushrooms, and bacteria.
• Alligators, fishes, mushrooms, bacteria, rocks, water, soil, and sunlight.

True or False: A biological community consists of only the BIOTIC factors in an area.

• True
• False

Tags

NGSS.MS-LS2-3

Which of the following make up an ECOSYSTEM?

• A group of snakes.
• Snakes, lizards, and cacti.
• Snakes, lizards, cacti, sand, sunlight, rocks, and temperature (heat).
• Sand, sunlight, rocks, and temperature (heat).

Tags

NGSS.MS-LS2-3

What are the major categories used to classify biomes?

• Annual precipitation, adaptations and sunlight.
• Sunlight, annual precipitation, and animals.
• Latitude, longitude, annual temperature, and annual precipitation.
• Annual temperature, annual precipitation, plants and animals.

True or False: A niche is a role or position of an organism has in its environment.

• True
• False

What is a limiting factor?

• Any biotic or abiotic factor that restricts the size of a population.
• The maximum number of a population an ecosystem can hold.
• A geologic event which controls living space.
• The role an organism plays in its environment.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would be an example of a DENSITY DEPENDENT limiting factor?

• Disease
• Flood
• Fire
• Volcanic Eruption

A density ____________ factor limits the size of a population, no matter the size of a population.

• Independent
• Dependent
• Capacity
• Primary

Tags

NGSS.MS-LS2-4

What is it called when one or more organisms try to utilize the same resource? For example, trees in the rainforest all trying to use the same sunlight and water.

• Competition
• Predation
• Symbiosis
• Parasitism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2