• competitor
• host
• parasite
• predator

• producer

• decomposer

• primary consumer

• secondary consumer

What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is a herbivore?

• an animal that gets energy from eating other animals
• an organism that gets energy from eating only plants
• an animal that gets energy by eating both plants and other animals
• an animal that eats only herbs

A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem
• food web
• environment
• population

Two populations of fish live in separate water drainage systems. Which of the following questions would be most useful to ask to help determine whether these two populations are the same species?

• Are the food sources the same for the two populations?

• Do the two populations' habitats have the same water pH?

• Do young fish in the two populations mature slowly or quickly?

• Can individuals from the two populations successfully interbreed?

Tags

NGSS.HS-LS4-2

A bird population is decreasing. Which of the following describes the most likely reason for a decrease in population?

• An increase in birth rate

• An increase in death rate

• An increase in immigration

• A decrease in emmigration

Tags

NGSS.MS-LS2-4

Which of the following are parts of the human respiratory system?

• Alveoli, trachea, larynx, lungs

• Erythrocyte, plasma, capillary

• Neuron, brain, spinal cord

• Osteocyte, ligament, cartilage

• A
• B
• C
• D

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which body system's main function is to direct body activities by sending and receiving impulses?

• cardiovascular

• endocrine

• lymphatic

• nervous