Life Science: What to know

What type of organisms are bacteria?

• Multicellular

• Nonliving particles

• Single-celled

• Fungi

Tags

NGSS.MS-LS1-1

What is the primary function of the immune system?

• To digest food

• To fight infections

• To produce hormones

• To store energy

What is a common factor contributing to the spread of epidemics?

• Lack of sunlight

• Patterns and factors contributing to the spread

• Overpopulation

• Lack of food

What can cause competition among organisms in an ecosystem?

• Unlimited resources

• Similar requirements for food, water, or oxygen

• Abundance of space

• Lack of predators

Tags

NGSS.MS-LS2-1

What is predation?

• A mutual relationship between species

• An interaction where one species eats another

• A competition for resources

• A process of photosynthesis

Tags

NGSS.MS-LS2-4

What usually results from competition in an ecosystem?

• Increase in population of less adapted species

• Decrease in population of less adapted species

• No change in population

• Increase in biodiversity

Tags

NGSS.MS-LS2-4

What does energy flow through in an ecosystem?

• At a variable rate

• At a fairly constant rate

• At a decreasing rate

• At an increasing rate

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is competition in an ecosystem?

• A relationship where organisms share resources

• A relationship where organisms compete for resources

• A relationship where organisms avoid each other

• A relationship where organisms help each other

Tags

NGSS.MS-LS2-2

What is mutualism?

• A relationship where one organism benefits and the other is harmed

• A relationship where both organisms benefit

• A relationship where neither organism benefits

• A relationship where both organisms are harmed

Tags

NGSS.MS-LS2-2

What is the role of autotrophs in an ecosystem?

• They consume other organisms for energy

• They produce their own food through photosynthesis

• They decompose dead organisms

• They provide shelter for other organisms

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3