Food Chains- a hierarchical series of organisms each dependent on the next as a source of food. When the food chains link together its called food webs.

Heterotrophs have a relationship classified as predator- prey. It’s an organism deriving its nutritional requirements from complex organic substances.

Parasites are heterotrophs that live in or on another organism harming that organism I.E Host are the prey of the parasite. Examples of some parasites are:Tapeworms, fleas, lice, and barnacles.

Ecosystem Resources⇫

Abiotic-nonliving parts of an             Biotic-living parts of an      

Ecosystem                                             ecosystem (or alive at 1 time)

-air

-water

-light

-soil

-PH

-Temperate

-et cetera

Adaptations- when an organism is developing different ways to live in an environment, or how an organism responds to changes in the environment with 2 types of adaptations

Behavioral Adaptations- Changes the way an organism reacts

Genetic Adaptations- Changes in the physical characteristics of the species ( more “successful” traits are rewarded by their reproduction in subsequent genes.

Ocean Systems-

Humans rely on oceans for-

-Food

-Transportation

-Energy

-Trade

Humans have damaged the oceans through activities such as:

-Pollution

-Overfishing

-Climate Change