Show:
vocabulary
plants
true or false?
feeding relationships
Staying alive
100
The death of all organisms of a species
What is extinction?
100

The reactants of photosynthesis

What are sunlight, carbon dioxide and water?

100

Ponds and streams are examples of niches.

What is false?

100

A food chain is a model that shows the transfer of _____

What is energy?

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

What is a deer tick sucking blood from a dog's ear
200

An organism's "job" in the environment is its ____

What is niche?

200
The products of photosynthesis
What are sugar and oxygen?
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, grasshopper,  slug

What is a grasshopper?

200
This symbiotic relationship occurs when one organism benefits and another one is not affected
What is commensalism?
300

A close, long-term interaction between 2 different species

What is symbiosis?

300

During this process, light energy is absorbed and used to make food

What is photosynthesis?
300
There are 4 symbiotic relationship types
What is false
300
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
300

When an organism feeds on a host,  this relationship is taking place

What is parasitism?

400
A contest among populations that need to get a certain amount of food, water, and shelter to survive
What is competition?
400
Cellular respiration has these reactants
What are sugar and oxygen?
400

A group of the same type of organism living in the same place is a population.

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. The sea anemone feeds on the clown fish waste.  What type of symbiosis best describes this relationship between the clown fish and the sea anemone?

What is mutualism?

500
A diagram that 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->consumer->decomposer
500

Temperature, food supply, and altitude are examples of ___________

What are limiting factors?