Biotic vs. Abiotic
Limiting Factors
Organism Interactions
Food, OMM NOM NOM!
Food Webs
100
What does the prefix Bio- mean?
Life or living
100
What is a limiting factor?
Something that controls a population
100
Describe what happens in a predator prey relationship.
Predators eat the prey
100
What do carnivores eat?
Meat (other animals)
100
What is a food web?
A complex interconnection of many food chains that shows the transfer of energy between different organisms.
200
What does abiotic mean?
Non living, never has been alive
200
What are the 3 main limiting factors.
Food, water, and living space (shelter)
200
What do you call the organism a parasite resides on?
Host
200
Organisms that eat herbivores and can be found eating plants are known as...
Omnivores
200
All herbivores are part of this level of a food web.
Primary consumers
300
Temperature is an example of which?
Abiotic factor
300
What occurs between organisms due to resources being scarce (limited)?
Competition occurs
300
One organism benefits and the other organisms is neither harmed nor helped.
Commensalism
300
Mushroom, bacteria, and some insects commonly are known as the recyclers of the ecosystem. Why is that?
They are decomosers, the return nutrients into the soil from dead and decaying material
300
This level of a food web eats the carnivore that eats the herbivore
Tertiary Consumer
400
A dog drinks a lot of water due to the temperature being very hot. What is the biotic factor?
Dog
400
Many animals live in the desert. How could the lack of water cause impact the other limiting factors?
Little water = little food
Little water = water found in few places = animals fight over space in that area
Little water = little number of organisms = fighting over mates
400
A bunch of people who don't know anything about ecology drive all the wolves away from a park. How can this affect the grass?
No wolves = more plant eaters = less grass
400
A buzzard eat dead animals...it is a what?
Scavenger
400
Food webs "really" show this.
The movement of energy through an ecosystem.
500
A boy under a tree that has lots of branches and leaves in order to stay out of the rain.
What is the abiotic factor?
Rain
500
How can sunlight be a limiting factor?
Plants need it to grow, so the ones that grow the tallest/fastest get more of it to continue growing.
500
A crab picks up a sea anemone an puts it on its back. The crab gets protection, while the sea anemone gets to move around getting easier access to food. What is this?
Mutalism
500
All organisms in a food web could have arrows drawn towards this group.
What are decomposers?
500
What niches is the frog apart of? (At least 4)
Predator, Prey, Secondary Consumer, Tertiary consumer