Regents Ecology unit review

This may cause a population to increase

• increase of food supply

• removal of predators

• removal of disease

• all of these

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What happens if a population grows past its carrying capacity?

• The population keeps growing

• The population starts to die off

• The entire species will go extinct

• The carrying capacity just increases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

Tags

NGSS.MS-LS2-4

What could cause the carrying capacity to be lowered from 500 to 400?

• increase availability of food

• decrease in available minerals, shelter, water

• increase in the size of the habitat

• decrease in the number of predators

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If a fire occurred in a forest, what would most likely be the first plants to return?

• trees

• shrubs

• pine trees

• grasses

Tags

NGSS.MS-LS1-5

Starfish are probably the most important predator in the shallow ecosystem because they eat basically anything that they can come across. Their feeding activities control the whole ecosystem. This is an example of the starfish ___.

• habitat
• biotic factors
• tolerance level
• niche

What is the name of an animal that is hunted and eaten by other animals?

• producer
• prey
• predator
• decomposer

Tags

NGSS.MS-LS2-4

rabbits, deer, birds and worms living in the barn is an example of

• Community

• biome

• Population

• Ecosystem

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

How much energy is available to be passed on to the next trophic level in an ecosystem?

• 100%
• 10%
• 50%
• 75%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3