What do we call organisms that make their own food?
What are producers?
The first organism in every food chain is always a ______.
What is a producer?
Plants get carbon dioxide from the ______.
What is the air?
The part of Earth that contains all living things is the ______.
What is the biosphere?
What is the original source of almost all energy in an ecosystem?
What is the Sun?
What do we call organisms that must eat other organisms for energy?
What are consumers?
What do the arrows in a food chain show?
What is the direction energy flows?
Water evaporates from a plant’s leaves in a process called ______.
What is transpiration?
The layer of gases around Earth is the ______.
What is the atmosphere?
Animals that hunt other animals are called ______.
What are predators?
Mushrooms and worms break down dead things. What type of organism are they?
What are decomposers?
A model of many connected food chains is called a ______.
What is a food web?
The nitrogen cycle moves nitrogen between the air, organisms, and the _____.
What is soil?
Water on Earth—including oceans, rivers, and lakes—belongs to what system?
What is the hydrosphere?
Why do living things need energy?
What is “to grow, move, and carry out life functions”?
A bear eats berries and fish. What type of consumer is it?
What is an omnivore?
In a food web, animals that are eaten by other animals are called ______.
What is prey?
What do plants use sunlight to make during photosynthesis?
What is food (glucose)?
True or false: Water is an abiotic factor.
What is true?
Which organism in an ecosystem always starts the flow of energy?
What is a producer?
Explain why all consumers depend on producers
What is “because producers make the food energy that all organisms depend on”?
Why would removing one organism from a food web affect the whole ecosystem?
What is “because each organism depends on others for energy, so removing one causes changes throughout the food web”?
Explain why cycles like the nitrogen cycle and carbon cycle are important.
What is “they recycle materials living things need to survive”?
Give an example of how a change in one Earth system affects another.
What is something like “rainfall (hydrosphere) washes away soil (geosphere)”?
Describe how energy moves through an ecosystem.
What is “energy moves from the Sun → producers → consumers → decomposers”?