Systems
Food Webs
Human Body
Plants
Sensory Systems
100

What is a system? 

A system is a collection of interacting objects, ideas, and/or procedures that together define a physical entity or process.

100

What is a Food Web? 

Movement of energy through multiple organisms. 

100

What are the basic needs of cells? 

All cells have basic needs: water, food, gas exchange, and waste disposal.

100

What is the process called when plants make their own food? 

Photosynthesis. 

100

What are the five senses? 

Sight, smell, touch, taste, and hear. 
200

What are the four layers of the Earth?

Earth can be described as the interaction of four earth systems: the rocky part (the geosphere), the atmosphere, the water (the hydrosphere), and the complexity of living organisms (the biosphere).

200

What happens to a food web when a organism dies suddenly? 

The rest of the food web will suffer and potentially die as well. 

200

What does the digestion system do?

The Digestion system breaks down complex food items into simple nutrients. 

200

What makes plants green? 

Chlorophyll 

200

What is a response? 

A response is a reaction of a living thing to a stimulus.

300

Give an example of a system used in a classroom. 

Teacher decides. 

300

What happens when a organism in a food web has more offspring than expected? 

There will become a shortage in the organisms prey. 

300

What does the respiratory system do? 

The respiratory system transports oxygen to the blood and carbon dioxide from the blood.

300

What chemical do plants release? 

Oxygen 

300

What is a stimulus? 

A stimulus is something that triggers (starts) a response. A stimulus is often information received through the senses.

400

What are three systems in the human body? 

Skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and the reproductive system

400

What types of organisms are involved in a food web? 

Food webs are made up of producers, consumers, and decomposers.

400

In the human circulatory system, what does blood transport? 

In the human circulatory system, blood transports resources to the cells and waste from the cells. 

400

What do plants use to create "food"?

Carbon Dioxide and sunlight
400

Why do animals communicate? 

Animals communicate to warn others of danger, scare predators away, or locate others of their kind, including family members.

500
Name three ecosystems. 
  • Terrestrial ecosystem.
  • Forest ecosystem.
  • Grassland ecosystem.
  • Desert ecosystem.
  • Tundra ecosystem.
  • Freshwater ecosystem.
  • Marine ecosystem.


500

How do animals obtain nutrients? 

By eating other organisms.

500

What organ has the left ventricle and right ventricle? 

The heart

500

In vascular plants, xylem tubes do? 

In vascular plants, xylem tubes carry water and minerals from the plant’s roots to all the cells in a one way flow. 

500

What does biotic and abiotic mean? 


Marine ecosystems have biotic (living) and abiotic (nonliving parts).