vocabulary
The death of all organisms of a species
What is extinction?
The only things in the ecosystem that makes their own energy from the sun
What are green plants?
climate change is NOT a cause of extinction
What is false
Which organism is a carnivore? bacteria, grass, wolf, or worm
wolf
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
What is a deer tick sucking blood from a dog's ear
The study of the interaction between living things and non living things in an ecosystem
What is ecology?
The product of photosynthesis
glucose?
A volcanic eruption is a natural cause for an ecosystem to change
What is true
Which organism is not a decomposer? earthworm, fungus, tapeworm, slug
tapeworm
This symbiotic relationship occurs when one organism benefits and another one is not affected
What is commensalism?
A relationship between organisms where one is benefited and one is harmed
What is parasitism?
During this process, light energy is absorbed and used to make food
What is photosynthesis?
There are 4 symbiotic relationship types
What is false
Which two organisms would you expect to compete with each other? birds and insects, deer and fish, hyenas and cheetahs, or raccoons and sea turtles
hyenas and cheetahs
When a host organism allows another organism to feed off of it, this relationship is taking place
What is parasitism?
A contest among populations that need to get a certain amount of food, water, and shelter to survive
What is competition?
The two raw materials that are needed for photosynthesis
What are carbon dioxide and water?
an animal that only eats one type of food is at risk of becoming extinct if that food is taken away.
What is true
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
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?
A diagram that shows the complex feeding relationships between different food chains in an ecosystem
What is a food web?
What percentage of energy is passed from the producers to the next level of consumers in an energy pyramid?
What is 10%
Different populations in a community often compete for the same resources
true
What is the order in which energy flows in an ecosystem?
sun->producer->consumer->decomposer
Name five abiotic factors
What is water, sunlight, rocks, soil, and air?