Interactions
What percentage of chemical energy is LOST as you move up each trophic level?
90%
What is an abiotic factor?
Non-living parts of an ecosystem that shapes its environment.
The male in this species have very dark brown bodies with pale gray-brown heads and yellow-green bills. They can be found in a wide variety of aquatic habitats. What featured species is this?
American Black Duck
Downed logs provide...?
Shelter, perch + nest sites, foraging sites, home for decomposers, etc.
What is bioaccumulation?
The storing and building up of contaminants in the tissues of organisms.
The arrow in a food web points from?
Prey ----> Predator
What is metamorphosis? Provide an example?
The process of transformation from an immature form to an adult form. Examples include- Caterpillars, Tadpoles, etc.
This species is patterned with concentric circular visuals on its exterior. They are typically grey, light brown or black. They reside in salt marshes. What featured species is this?
Diamondback Terrapin
Decrease erosion, catch pollution/runoff, shelter for animals, habitat for some organisms, etc.
What is biomagnification?
The increased amount of contaminants in a top predator due to eating prey who have themselves consumed contaminants, but at a low level.
When two organisms interact and they BOTH benefit, that is referred to as...?
Mutualism
What are trophic levels?
Hierarchical levels in an ecosystem, categorizing organisms by their role and energy transfer/consumption.
This species is around 7 inches long and generally black with variable yellow markings on its head, body, and tail. They live in forests near bodies of water. What is this species?
Eastern Tiger Salamander
What is another term for being "cold blooded"?
Ecotherm
The burning of fossil fuels releases what atmospheric molecule?
Carbon Dioxide
Indicator Species are...?
A species that defines a trait or characteristic of the environment and reflects environmental conditions.
Density Dependent vs Density Independent factor.
Density Dependent factors depend on population size (typically biotic), Density Independent factors do not depend on population size (typically abiotic).
This species has short limbs, small eyes and ears, long whiskers, and a cylindrical, scaly tail. They frequent freshwater areas. The skull has rodent characteristics. What is this species?
Nutria
The most common, and widespread, venomous snake in North Carolina is the...?
Copperhead
What is a greenhouse gas?
Gases in Earth's atmosphere that trap heat.
Limiting factors influence the carrying capacity of an ecosystem. Define carrying capacity.
The balance between any life form and its environment; how many organisms an environment can support.
What is an example of a bioindicator?
Plants, plankton, animals, microbes.
Ex. Lichen, algae, bryophytes, etc.
This species has brown on their backs and white underneath them. There is a prominent dark coloration at the "wrists". The head is white with a broad brown stripe through the eye. What species is this?
Osprey
What generalized species makes up almost half of the the known species of vertebrates?
Fish
In the carbon cycle, what role does the ocean play?
Stores Carbon.