Science Unit A Flashcards
Mutualism
This is a relationship in which both species in the relationship benefit
Commensalism
This is a relation ship where one species benefit while the other neither benefits nor is harmed
Parasitism
This is a relationship in which one species while the other is harmed
Consumer
Any organism that has to seek out and eat or consume other living things for food
Producer
Are able to make their own food supply the matter and energy they need to survive
What is the outcome of photosynthesis?
Glucose/Sugars+Oxygen
What is needed for the process of photosynthesis?
Carbon dioxide+water+ light energy
What is needed cellular respiration?
Food+oxygen
What is the outcome of cellular respiration?
Carbon dioxide, water, ATP(energy)
What is an eco system?
Any place where living things interact with other living and non living things in an ecosystem
What is biotic?
Living things
What is abiotic?
Non living
What does population mean?
When a number of species live together in the same area
Species
Living things of the same kind that are able to reproduce
What is a community?
All the populations of different species that live and interact in the same place form a community
What do living things need?
Water, food, energy, oxygen, suitable living conditions
What is adaption?
Adaption is how species respond to their environment
Can living choose how they will adapt?
No
How are we affecting the environment with garbage?
We are starting to use material that cannot be broken down like plastic
What are some garbage solutions?
Recycling, composting, incinerating, household hazardous waste operations, and sanitary landfills
What is a carnivore?
They consume mainly other animals
What is a herbivore?
They consume mainly plants
What is the process of photosynthesis?
The roots take in water
Leaves take in carbon dioxide
Leaves absorb Suns energy
The leaves produce oxygen to the air
Cellular respiration?
It combines sugar and oxygen to make energy, carbon dioxide and water
Scavengers?
An organism that feeds off remains of dead animals that are killed by consumers
Decomposers?
A living thing rant breaks down animals and plants or animal and plant waste
Why are decomposes essential to all ecosystems?
They keep from being buried by dead organism
What is a food chain?
It is a convenient way to show how energy moves among living things
What is a primary consumer?
They are usually herbivore like a rabbit eating grass
What is a secondary consumer?
It is usually a carnivore like a snake that eats the rabbit
What is a tertiary consumer?
They are eaten by other consumers
Where do most plants get their energy from?
Most get it from the sun
How much energy is stored in the roots ?
10%
How much energy does the herbivore use?
They use 90% of the ten percent that they got from the plant
How is energy used?
Energy from the sun➡️producer➡️herbivore➡️carnivore then back into the environment
What is a food chain?
They show the direction in which energy and nutrients are being passed in the food chain
What do food chains usually start with?
Plants and grasses
Water Cycle?
Precipitation➡️ Collection ➡️ Evaporation➡️ Condensation
What is bioinvasion?
Accidental or planned introduction of a non-native species into a community
What is competition?
When different species compete for food water and a space to live
What is predation?
An animal that gets its good by killing other organisms
What things affect ecosystems?
Bioinvasion, competition, predation, weather
What are pioneer species?
The first plant or animal to live in an area
What are pioneer species usually?
Grass, weeds, …
What is primary succession?
Primary succession occurs in areas where no life exists due to the absence of soil.
What plants usually grow in primary succession?
Lichen usually grows first because it is suited to grow in rocky places
What is the process of primary succession?
Lichen grows it breaks down the rocks the rocks turn to soil, Grass and weeds start to appear then shrubs and trees
What is a climax community?
A climax community forms when succession starts and remains until another community starts. A climax community is a stable community of a diverse number of species that is not easily replaced by another community
What is secondary succession?
It occurs when a community has been destroyed or disturbed by natural occurrences or human activities
What happens when people add chemicals to ecosystems?
It kills many species, it is like a chain reaction
Why are many species extinct?
Because of the human impact on earth
When are some species considered endangered?
Organisms that are rare or In danger of becoming extinct
Why were the peregrine falcons dying?
Because of pesticides used in farms that were making the eggshells thin and break
How did they solve the peregrine falcons problem?
They created captive breeding environments
Why was the ecological footprint created?
They wanted a way to measure the environmental impact of human activities
How does ecological footprint work?
They looked at food, housing, transportation, consumer goods and calculated how much energy, materials and land needed
