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| An organism's environment has two parts, the ______________, or living, and the ____________, or nonliving. |
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| A _____________ is a group of individuals of the same species that live in the same area at the same time. |
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| A community and its abiotic environment make up a(n) _________________________. |
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| Organisms tht use photosynthesis to obtain energy are called _________________. |
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| The environment is which an organism lives is its _____________, and the role the organism plays is an ecosystem is its _____________. |
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| A tick sucks blood from a dog. In this relationship, the tick is the __________ and the dog is the ____________. |
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Definition
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| Resources such as ____________, ____________, or _____________are more likely to be limiting |
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Definition
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Term
| "Nature's recyclers" are ______________. |
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Definition
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Term
| A beneficial association between coral and algae is an example of ________________. |
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Definition
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Term
| How energy moves through an ecosystem can be represented by ... |
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Definition
| food chains, energy pyrimids, and good webs |
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| The base of an energy pyramid represents which organism in an ecosystem? |
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Definition
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Term
| What is the correct order in a food chain? |
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Definition
| sun - producers - herbivores - carnivores - scavengers |
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Term
| Remoras and sharks have a relationship best described as _____________________. |
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Definition
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| Briefly describe the habitat and niche of a gray wolf: |
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Definition
| A wolves habitat is Montana, Washington, Minnesota, Michigan, Wisconsin, and Canada. Niche- top level predator, controls other populations |
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| What might different species of trees in a forest compete for? |
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Definition
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| How do limiting factors affect the carrying capacity of an environment? |
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Definition
| limiting factors (resources) can cause the carrying capacity to decrease |
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Definition
| A long term change in 2 spieces because of their close relationship |
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Term
| The number of organisms in a community varies greatly. What affects the size of each population? |
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Definition
| interactions between populations |
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Term
| Populations stay about the same size from year to year regardless of the number of offspring that are produced. Most living things produce more offspring than will ________________. |
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Definition
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Term
| The environment has a limited amount of resources (food, water, living space). When one of those resources becomes scarce, it is called a _____________________. |
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Definition
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Term
| The largest population an envirnment can support is called the environemnt's _____________________. |
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Definition
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Term
| Interation among organisms - Competition |
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Definition
| when individuals try to use the same limited resources. Example - trees and sunlight |
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Term
| Interation among organisms - Predator / Prey |
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Definition
prey - gets eaten
predator - eats the prey
both have adaptations for survival
Example - prey - cheatahs speed / predators - skunk
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Term
| Interation among organisms - symbiosis |
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Definition
A close, long term interatction between 2 species
mutualism - both benefit
commensalism - one benefits, one un affected
parasitism - one benefits, one is harmed |
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Definition
one benefits, one un affected
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| one benefits, one is harmed |
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Term
| All living things need ________________ which is passed through an ecosystem in many different ways. |
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Definition
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Term
| All living things need energy: Producers |
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Definition
| organisms that use sunlight to make their own food (photosynthesis) |
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Term
| All living things need energy: Consumers |
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Definition
| orgamisms that eat other organisms for energy |
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Term
Consumers- eat other organisms for energy:
herbivores -
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Definition
herbivores - cow - eats plants
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Term
Consumers- eat other organisms for energy:
carnivores -
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Definition
carnivores - hawks - eats meat
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Term
Consumers- eat other organisms for energy:
omnivores -
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Definition
omnivores - humans- eats meat and plants
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Term
Consumers- eat other organisms for energy:
scavengers - |
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Definition
| scavengers - vulture - eats leftovers from carnivores |
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Term
| All living things need energy: Decomposers |
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Definition
| organisms that breaks down dead organims (bacteria and fungi - mushrooms) |
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Term
| Energy from food flows from one organism the next. These energy pathways are referred to as a __________________. |
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Definition
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Term
| As energy is passed, a small amount is lost at each level. The loss of energy at each level of he food chain cn be represented by a daigram called an ___________________________. |
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Definition
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Term
| Give an example of a single species that can affect the overall environment in a great way. |
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Definition
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Term
| An organism's ______________ is the environment in which it lives. |
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Definition
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| An organism's ________________ is its way of life within an ecosystem. |
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Definition
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Term
| Producers use energy from the __________ to make food through a process called ____________________. |
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Definition
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Term
| In the ocean, ______________ are the main producers. |
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Definition
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Term
| Consumers get energy from eating ____________ or other organisms. |
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Definition
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Term
Which organisms are decomposers?
bacteria / crayfish / turkey vultures / fungi |
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Definition
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Term
| What animals eat the chipmunk? |
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Definition
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Term
| Consumers use the energy stored in the _____________ of the organisms they eat. |
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Definition
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Term
| As you go up the energy pyramid, the number of organisms in each level _______________. |
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Definition
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Term
| Why does there have to be more grass than prairie dogs in the community? |
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Definition
| because the prairie dogs eat the grass and they need energy |
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Term
| ________________ can control the population of other species in their own environment by eating them. |
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Definition
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Term
| Why are some people opposed to the reintroduction of wolves to Yellowstone? |
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Definition
| They might be scared of the wolves |
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Term
| Today you might see gray wolves in |
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Definition
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Term
| An organism's niche includes the effects of the ____________ parts of its environment. |
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Definition
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Term
All of the following are characteristics of the social structure of wolves EXCEPT:
wolves usually live with family
packs have two leaders
wolf pups are shunned by the male members of a pack
each memeber of a pack has a rank in the pack |
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Definition
| wolf pups are shunned by the male members of a pack |
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Term
Which relationship: mutualism, commensaliasm, or parasitism?
Clownfish live among the poisonous tentacles of a sea anemone. The clownfish are protected from predators, and they keep the sea anemone clean. |
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Definition
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Term
Which relationship: mutualism, commensalism, or parasitism?
Barnacles attach themselves to the shells of crabs, the barnacles receive a home and transportation. |
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Definition
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Term
Which relationship: mutualism, commensalism, or parasitism?
Bees use a flower's nectar for food, and they carry a flower's pollen to other flowers, allowing the flowers to reproduce. |
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Definition
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Term
Which relationship: mutualism, commensalism, or parasitism?
Dutch elm disease has caused mass destruction of elms. The fungus feeds on materials produced by the elm trees. |
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Definition
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Term
Which relationship: mutualism, commensalism, or parasitism?
Orchids grom in tree branches. The orchid receive light and their roots get water from the air. |
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Definition
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Term
Which relationship: mutualism, commensalism, or parasitism?
Small mites live on your skin, eating dead skin cells. |
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Definition
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Term
Which relationship: mutualism, commensalism, or parasitism?
Lichens are composed of a fungus and an alga. The alga makes food through photosynthesis, and this food is used by the fungus and the alga. The fungus absorbs nutrients from the environment that are used by the alga. |
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Definition
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Term
Which relationship: mutualism, commensalism, or parasitism?
Tapeworms live in the intestines of cats, where they absorb nutrients from the food the food the cats eat. |
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Definition
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Term
| ______________ is the study of the interactions between organisms and their environment. |
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Definition
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Term
| __________________ is a group of individuals of the same species that live together in the same area at the same time. |
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Definition
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Term
| ________________ is the environment where an organism lives. |
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Definition
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Term
| __________________ is the nonliving things in the environment. |
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Definition
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Term
| symbiotic relationship in which one organism benefits and the other in not affected |
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Definition
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Term
| ________________ is when two or more individuals or populations try to use the same limited resource. |
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Definition
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Term
| A diagram that represents how energy in food molecules flows from one organism to the next |
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Definition
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Term
| consumer that eats a variety of organisms, both plants and animals |
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Definition
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Term
| an organism that eats producers or other organisms for energy |
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Definition
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Term
| triangle-shaped diagram that shows the loss of energy at each level of a food chain |
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Definition
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Term
| The part of the Earth where life exists |
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Definition
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Term
| An organism's way of life within an ecosystem |
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Definition
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Term
| living factors in the environment |
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Definition
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Term
| symbiotic relationship in which one organism benefits while the other is harmed |
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Definition
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Term
| diagram that represents the many energy pathways in a real ecosystem |
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Definition
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Term
| an organism that eats other organisms, called prey |
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Definition
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Term
| a consumers that eats plants |
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Definition
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Term
| an organism that gets energy by breaking down the remains of dead organisms |
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Definition
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Term
| a communityy of organisms and their nonliving environment |
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Definition
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