Show:
vocabulary
plants
true or false?
members of a community
Staying alive
100
What is the death of all organisms of a species?
What is extinction
100
The bi-product given off during photosynthesis
What is oxygen
100
climate change is NOT a cause of extinction
What is false
100
Which organism is a carnivore? bacteria grass wolf worm
wolf
100
which is an example of parasitism? a bird eating insects that bother an ox a deer tick sucking blood from a dog's ear a remora eating scraps from a shark's meal an ant protecting aphids, then getting a drink from them
What is a deer tick sucking blood from a dog's ear
200
The use of less of a resource to make the supply last longer is called...
conservation
200
A loss of water through a plant's leaves
What is transpiration
200
A volcanic eruption is a natural cause for an ecosystem to change
What is true
200
Which organism is not a decomposer? earthworm fungus protist tapeworm
tapeworm
200
A larva of an antlion builds a pit in dusty soil. It waits for small insects to fall into the pit, and then it eats them. What is the antlion's method of hunting an example of? parasitism succession adaptation a limiting factor
What is an adaptation
300
What is the relationship between different kinds of organisms called?
What is symbiosis
300
These two things happen in the leaf of a plant
light energy is absorbed and used to make food
300
Driving in your car instead of walking is an example of conservation.
What is false
300
Which two organisms would you expect to compete with each other? birds and insects deer and fish hyenas and cheetahs raccoons and sea turtles
hyenas and cheetahs
300
Fish use their gills to get dissolved oxygen from water. Aquarium owners must be sure that the population of the fish is not more than the dissolved oxygen can support. What is dissolved oxygen an example of? an adaptation community extinction a limiting factor
What is a limiting factor
400
What is a contest among populations that need to get a certain amount of food, water, and shelter to survive?
What is competition
400
This plant structure carries food from its source to the rest of the plant
What is the stem
400
an animal that only eats one type of food is at risk of becoming extinct if that food is taken away.
What is true
400
A spider builds a web in a field. The web catches grasshoppers, which the spider eats. What kind of relationship does the spider have with the grasshopper?
What is a predator-prey relationship
400
Sea anemones use their tentacles to sting their prey. However, fish like the clown fish are not harmed by the anemone's sting. They often lived around the anemone's tentacles to get protection from predators. What type of symbiosis best describes this relationship between the clown fish and the sea anemone?
What is commensalism
500
What diagram shows the complex feeding relationships between different food chains in an ecosystem?
What is a food web
500
What percentage of energy is passed from the producers to the next level of consumers in an energy pyramid?
What is 10%
500
Different populations in a community often compete for the same resources
true
500
what is the order in which energy flows in an ecosystem?
sun->producer->herbivore->carnivore->decomposer
500
Suppose an area were stripped bare of plants and trees by mining. Later, people started planting new plants and trees to help return the land to its original condition. What is this process called?
What is reclamation