Plants
What is the process that plants use to produce food called?
What is photosynthesis?
What does a food web show?
a. when organisms seek food
b. how predators catch prey
c. what food organisms eat
d. why organisms find food
What is c. what food organisms eat?
Mr. Sheets notices a small spot of fungus growing on a tomato in the back of his refrigerator. He doesn't eat the tomato. He looks at the tomato again one week later. Which of the following is he most likely to observe?
a. The fungus has changed color.
b. The fungus has disappeared.
c. The fungus has not changed.
d. The fungus has grown larger.
What is d. the fungus has grown larger?
Which of these is a decomposer?
a. heat
b. water
c. bread
d. mold
What is d. mold?
Organisms that do not make their own food are called __________.
What are consumers?
Plants use a molecule called chlorophyll. Which need does chlorophyll help meet for the plants?
a. releasing oxygen
b. making food
c. taking in carbon dioxide
d. absorbing soil nutrients
What is b. making food?
What kind of diagram shows how much energy passes along as one organism consumes another?
a. food chain
b. food web
c. decomposition
d. energy pyramid
What is d. energy pyramid?
Which of the following happens during the time a fallen log is decomposing?
a. The fallen log continues to produce food.
b. The materials in the log are broken into smaller, simpler parts.
c. The fallen log slowly begins to die.
d. The materials in the log combine to make new, more complex parts.
What is b. the materials in the log are broken into smaller, simpler parts?
Which organisms are responsible for putting minerals into the soil?
a. producers
b. consumers
c. decomposers
d. predators
What is c. decomposers?
A network of overlapping food chains is called ___________.
What is a food web?
Which type of organism makes it own food?
What is a producer?
Which of the following shows the correct flow of energy in a food chain?
a. producer - predator- decomposer - consumer
b. decomposer - consumer - plant - producer
c. sun - producer - consumer - decomposer
d. sun - consumer- producer- decomposer
What is c. sun - producer - consumer - decomposer?
Why are bacteria shown at the end of a food chain?
a. They are decomposers, and break down dead organisms.
b. They are producers and make food from sunlight.
c. They are consumers and feed off of dead organisms.
d. They are consumers, and the smallest organisms in a food chain.
What is a. they are decomposers, and break down dead organisms?
Hummingbirds feed on the nectar of flowering plants. In this process, they also pollinate the plants. Which symbiotic relationship does this represent?
a. commensalism
b. mutualism
c. predation
d. parasitism
What is b. mutualism?
Most plants contain a green, food-producing molecule called ________________.
What is chlorophyll?
Which of the following is an example of a producer?
a. a penguin
b. a worm
c. a tree
d. all of the above
What is c. a tree?
In the food chain below, what would be a possible source of energy for bacteria?
plant -> grasshopper -> toad -> snake -> hawk -> bacteria
a. only the hawk
b. all of the organisms
c. only the predators
d. all the animals
What is b. all of the organisms?
Aubrey and Timmy were assigned to observe the growth of fungus on a piece of bread. They sprayed a piece of bread with water and sealed in it in a plastic bag. They left the other piece dry and sealed it in a different plastic bag.
On which piece of bread did the mold grow faster?
What is the piece of bread that was sprayed with water?
Grasshoppers, cactus plants, lizards and rattlesnakes are organisms found in a desert ecosystem. Which activity in a desert ecosystem increases the amount of energy available to living things?
a. Lizards feed on the ants that crawl out of the ant holes.
b. Grasshoppers sit in the sunlight and chirp.
c. Rattlesnakes search for small rodents and mammals for food.
d. Cactus plants change sunlight into food and grow larger.
What is d. cactus plants change sunlight into food and grow larger?
The transfer of energy from one organism to the next is called ________________.
What is a food chain?
Name the three things that a plant must have in order for photosynthesis to take place.
What are carbon dioxide, water, and sunlight?
Hawks eat snakes. Snakes eat toads. Toads eat grasshoppers. Grasshoppers eat plants. Which of the statements below about this food chain is correct?
a. A hawk is a second-level consumer.
b. A toad is an herbivore.
c. A snake is a first-level consumer.
d. A grasshopper is a producer.
What is a. a hawk is a second-level consumer?
What is the most important cause of decomposition?
a. sunlight
b. bacteria and fungi
c. air
d. scavengers
What is b. bacteria and fungi?
During the winter months in Ohio, daylight hours are shorter and less energy is available in ecosystems. Which statement explains why less energy is available in ecosystems during the winter months?
a. Consumers are less active.
b. Producers make less food.
c. Decomposers break down less waste.
d. Consumers hunt less prey.
What is b. producers make less food?
In a forest food chain, what is the connection between the sun and a tree?
a. The tree uses the sun's energy to make food through photosynthesis.
b. The sun heats up the ground so the tree's roots can take in water.
c. The tree shades animals from the sun and gives them nutrients.
d. The sun helps chlorophyll turn oxygen into carbon dioxide.
What is a. the tree uses the sun's energy to make food through photosynthesis?