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Everything is connected
Living things need energy
Types of interactions
Symbiosis
Mixed
100
What is ecology?
The study of interaction of organisms with one another and their environment.
100
What do living things need to survive?
energy
100
In a natural community, population sizes vary. Why?
organisums compete for food, living space, or water
100
what are three types of symbiosis?
Mutualism, commensalisum, Parasitism
100
A consumer that only eats plants is a________.
herbivore
200
What is the biotic part of the environment?
living part of an ecosystem.
200
organisums that use sunlight directly to make food are called
producers
200
Why is it necessary for organisums to produce offsprings that will survive. explain your answer?
Variety is based on dna.Since organisums are different, some are born with traits that will help them survive and reproduce
200
when both organisums benefit its called ___?
Mutualism
200
A bird living in an oak tree is an example of
commensalisum
300
What is the abiotic part of an environment?
the non living part of an ecoystem
300
producers use a process called___________to make food
photosynthesis
300
A resource so scarcethat it limits the size of a population is called a_______.
limiting factor
300
when one organisum benifits and the other is not harmed it is called__________?
commensalism
300
What does a scavenger do?
eats dead organisums
400
Is an alligator biotic or abiotic
biotic
400
herbivores, carnivores, and omnivores that eat other organisums are know as
consumers
400
The largest population that an environment can support is called a _________.
carrying capacity
400
When one organisum benifits and the other is harmed its called____?
parasitism
400
the organisums that is harmed by a pasite is called the__.
host
500
is water biotic or abiotic
abiotic
500
What three groups can be divided based on how they get energy?
producers, consumers, decomposers
500
What happens when a population grows larger than its carrying capacity?
limiting factors such as food/water cause organisums to either die or leave.
500
do most parasites kill their host?why or why not?
no because the benifit from their host
500
What are two main food webs on earth?
land food web, aquatic food web