Plants are the major source of ___________ on Earth and help keep us alive.
oxygen
What is number 6 of the digestive system?
rectum
What is number 4 of the digestive system?
small intestine
A hummingbird needs a lot of energy which requires a lot of food (sugar) from plants. What does NOT describe something that helps a hummingbird get that energy from the plant?
saliva
tongue
wings
long beak
Two of the labels are PRODUCTS of photosynthesis. What are they and what product is missing from the picture?
oxygen, carbon dioxide, sugar
water, oxygen, leaves
light, water, sun
oxygen, water, sugar
What conclusions can NOT be made from the picture?
Salmon is a third level consumer
lower you go on the food chain, the greater the population
Sardines population is related to the zooplankton population
zooplankton is a producer
What is not a true statement about decomposition in the environment?
Primary consumers gain nutrients from decomposition.
Consumers could die if producers could not make food.
Plant decomposition is recycled into the environment.
It does not help in an ecosytem.
What is number 1 of the digestive system?
esophagus
What is number 2 of the digestive system?
stomach
What is number 5 of the digestive system?
colon
What is number 3 of the digestive system?
large intestine
What is foods main purpose?
to provide water
to provide oxygen
to provide energy
to provide carbon dioxide
In this desert biome food web, would what have the largest population?
bacteria
hawks
grasshopper
rabbits
Where do plants produce their food?
leaves
What does this plant NOT need to be able to make their own food?
light
water
sugar
carbon dioxide
Using the food web, number the organisms in order from the largest population to the smallest.
grasses, grasshoppers, hawk, mouse, vulture
grasses, snake, mouse, vulture, coyote
vulture, mouse, grasshoppers, grasses
mouse, grasses, snake, hawk, coyote