Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
44 Cards in this Set
- Front
- Back
|
What is a producer?
12-1 |
organism that makes its own food by using suns energy
Ex: Plant |
|
|
What is a consumer?
12-1 |
organism that obtains food by eating other organisms.
EX: Birds eat worms |
|
|
What is a herbivore?
12-1 |
organisms that eat only plants
Key word herb Ex: rabbits Think: Herbs come from plants. |
|
|
What is a carnivore?
12-1 |
consumer that eats only animals.
Ex: lion eats other animals |
|
|
What is a omnivore?
12-1 |
consumers that eat both plants and animals.
Ex: humans eat salad and chicken |
|
|
What is a scavenger?
12-1 |
animal that only eats dead organisms
Ex: vulture and hyenas, worms |
|
|
What is a decomposer?
12-1 |
organisms that breaks down the wastes or remains of other animals.
ex: bacteria, fungi |
|
|
What are levels of consumers?
12-1 |
1. primary consumer: rabbit
2. secondary consumer: snake 3. tertiary consumer: hawk plant--rabbit--snake---hawk rabbit eats plant, snake eats rabbit, hawk eats snake |
|
|
What is a food chain?
12-2 |
way of showing how the energy from food moves through populations of organisms in a community
|
|
|
What is a food web?
12-2 |
way of showing how food chains are related
|
|
|
photo of a food chain
|
|
|
|
Photo of a food web
|
|
|
|
Diagram of Level of consumers
|
|
|
|
What is an energy pyramid?
12-3 |
a way of showing how energy moves through a food chain
shows that the amount of energy decreases at each level of a food chain |
|
|
What is competition?
12-4 |
struggle among organisms for resources in an ecosystem
Ex: Lions one lion fights the other to become leader of the pack |
|
|
What is predation?
12-4 |
when one organism(predator) kills and eats another organism(prey)
Ex: spider eats the fly. Think of the book I Know An Old Lady! |
|
|
What is predator?
12-4 |
An organism that kills and eats another organism
spider is the predator who kills the fly. |
|
|
What is prey?
12-4 |
An organism that is killed and eaten by another organism
Fly is the prey for the spider |
|
|
What is symbiosis?
12-4 |
a close relationship between different species living in close association with one another
can help or harm |
|
|
What is mutualism?
12-5 |
the relationship between two different kinds of organisms that benefits both of them
example: desert moth depends on the yucca plant for protection |
|
|
What is commensalism?
12-5 |
the relationship between two different kinds of organisms in which one benefits and the other is unaffected
example: barnacles on whales |
|
|
What is parasitism?
12-5 |
the relationship between two different kinds of organisms in which one organism lives on or in another organism and causes it harm
Ex: mosquitoes bites a human for its blood. Humans itch at the bite site |
|
|
What is a host?
12-5 |
An organism a parasite feeds on.
mosquitoes feed on humans. ticks feed on blood of dogs, cats, or humans |
|
|
Image of commensalism
|
|
|
|
Image of mutualism
|
|
|
|
Image of parasitism
|
|
|
|
What is adaptation?
12-6 |
a trait that helps an organism survive in its environment
Example: whales can live in cold water soldiers wear camouflage to look like the forest |
|
|
What is the water cycle?
12-7 |
repeated movement of water between Earth's surface and the atmosphere
Ex: rain and then evaporates oxygen, carbon dioixide, water and nitrogen cycle |
|
|
What is evaporation?
12-7 |
changing of a liquid to a gas
water from the ocean evaporates |
|
|
What is transpiration?
12-7 |
process by which plants lose water through the stomata in their leaves
|
|
|
What is condensation?
12-7 |
changing of a gas to a liquid
|
|
|
What is precipitation?
12-7 |
water that falls to Earth from the atmosphere
RAIN or SNOW |
|
|
What is the carbon cycle?
12-8 |
the repeated movement of carbon between the Earth's atmosphere and organisms
|
|
|
What is a fossil fuel?
12-8 |
nonrenewable energy source formed from the remains of plants and animals that lived and died long ago
Ex: coal, oil, natural gas |
|
|
What is deforestation?
12-8 |
Excessive cutting of forests.
To much of the forest is cut down and not replaced |
|
|
What is nitrogen fixation?
12-9 |
The process of combining nitrogen with other element to make usable compounds
|
|
|
image of the food and energy pyramid
|
|
|
|
Image of the water cycle
|
|
|
|
Image of the nitrogen cycle
|
|
|
|
What is an endangered Species?
12-10 |
species of living organisms in danger of becoming extinct.
|
|
|
Images of endangered species
|
|
|
|
Images of fossil fuels
|
|
|
|
Image of the carbon cycle
|
|
|
|
Image of deforestation
|
|
