What is a food chain?
a model that shows how organisms depend on the next as a source of food
What is a food web?
a model that shows how multiple food chains interconnect to represent how organisms depend on each other as a source of food
What is an ecosystem?
a community of organisms and a physical environment that interact
The process in which plants use sunlight to make glucose is known as what?
photosynthesis
What is an ecosystem that is very dry and hot?
desert
Where do producers get the energy they need to make their own food?
sun or sunlight
What is a consumer?
an organism that eats another organism
True or false: Plants cannot grow without soil
False
Name one thing animals use food for.
body repair, growth, motion, warmth
What is a very wet and humid ecosystem with a lot of rain?
rainforest
Study the food web on the board or chart paper. Which organism would increase if the snake population decreases?
mouse
What is an herbivore?
an organism that only eats plants
Name 3 examples of nonliving things in an ecosystem?
air, water,soil, landform, climate
Name two human activities that disrupt ecosystems.
deforestation, agriculture, urbanization, controlled forest fires, overhunting, overfishing, overpopulation
What is the name of the ecosystem that is aquatic?
Study the food web on the board or chart paper. Which organisms are herbivores?
grasshopper, mouse, chicken
An organism that eats animals is called a what?
carnivore
Name four examples of an ecosystem.
desert, lake, river, coral reef, tundra, grasslands, forest, rain forest
Name two natural events that can disrupt an ecosystem
volcanic eruption, earthquake, hurricane, tornado, fire, drought, flood
grasslands
What is an example of a carbohydrate?
sucrose, fructose, glucose
What do decomposers do?
break down dead organic material
The following organisms live in a marine ecosystem: dolphin, shrimp, algae, shark. Place the organisms in order of their food chain.
algae, shrimp, dolphin, shark
When food is converted into energy, this process is known as what?
metabolism
What is a very cold, dry ecosystem with little to no tree life.
tundra