Answer:
A watershed is land that contributes water to a stream, river, lake, pond, wetland or other body of water
A watershed often contributes water to lakes or streams.
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Cytokinesis is the process by which a cell divides its cytoplasm to produce two daughter cells. As the final step in cell division after mitosis , cytokinesis is a carefully orchestrated process that signals the start of a new cellular generation. The separation of one cell into two is accomplished by a structure called the contractile ring. The contractile ring is a structure believed to operate in a way similar to muscle. A molecular motor, myosin, contracts the actin filaments that form the contractile ring tighter and tighter until the cell is pinched in two. The contraction of the contractile ring has been likened to tightening a purse string to close the top of a pouch. The furrow created by this pinching process is also called the "cleavage furrow," as it is the site at which cleavage of one cell into two cells occurs.
Answer: Osmosis
Explanation:
Osmosis can be defined as the phenomenon in which there is a difference in the concentration of materials on the different sides of the cell.
The concentration inside the cell is different and the concentration outside is different.
The membrane in between is the semipermeable membrane which allows the movement of certain molecules.
The movement of solvent takes place from a region of their higher concentration to the area of lower concentration via semipermeable membrane.
Answer: Osmosis
Definition: A process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.
ecology-The scientific study of interactions among organisms and between organisms and their environment, or surroundings.
biosphere-Contains the combined portions of the planet in which all of life exists, including land, water, and air, or atmosphere.
species-A group of organisms so similar to one another that they can breed and produce fertile offspring.
populations-Groups of individuals that belong to the same species and live in the same area.
communities-Assemblages or different populations that live together in a defined area.
ecosystems-Assemblages or different populations that live together in a defined area.
biome-Assemblages or different populations that live together in a defined area.
atotrophes-Only plants, some algae, and certain bacteria that can capture energy from sunlight or chemicals and use that energy to produce food
producers-Those that can capture energy from sunlight and those that capture chemical energy.
Photosynthesis-Producers
Those that can capture energy from sunlight and those that capture chemical energy.
Photosynthesis -Autotrophs use light energy to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches.
Chemosythesis-When organisms use chemical energy to produce carbohydrates.
Heterotrophs-Organisms that rely on other organisms for their energy and food supply
Consumers-A.K.A. Heterotrophs
Herbivores-Heterotrophs that obtain energy by eating only plants
Carnivores-Eat animals
Omnivores-Eat both plants and animals
Detritovores-Feed on plant and animal remains and other dead matter
Decomposers-Breaks down organic matte
Food chain-A series if steps in which organisms transfer energy by eating and being eaten.
Food web-When the feeding relationships among the various organisms in an ecosystem form a network of complex interactions
Trophic level-Each step in a food chain or food web
Ecological pyramid-A diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web.
Biomass-PLAY
Ecological pyramid
A diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web.
Biomass -The total amount of living tissue within a given trophic level
Biogeochemical cycles-When elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Evaporation-The process by which water changes from liquid form to an atmospheric gas.
Transpiration-The process of which water can also enter the atmosphere by evaporating from the leaves of plants.
Nutrients-PLAY
Transpiration
The process of which water can also enter the atmosphere by evaporating from the leaves of plants.
Nutrients -All the chemical substances that an organism needs to sustain life.
Nitrogen fixation-Such bacteria, which live in the soil and on the roots of plants called legumes, convert nitrogen gas into ammonia.
Denitrification-Nitrogen fixation
Such bacteria, which live in the soil and on the roots of plants called legumes, convert nitrogen gas into ammonia.
Denitrification -The process of which other soil bacteria convert nitrates into nitrogen gas.
The biosphere-All of life on Earth exists in a region known as
Community-Groups of different species that live together in defined area make up a(an)
Food chain-The series of steps in which a large fish eats a small fish that has eaten algae is a
Biomass pyramid-The total mass of living tissue at each trophic level can be shown in a(an)
Biogeochemical cycles-Nutrients move through an ecosystem in
Phosphorus cycle-What biogeochemical cycle does NOT involve a stage where the chemical enters the atmosphere?
Limiting nutrient-When an ecosystem is limited by a single nutrient that either is scarce or cycles very slowly, this substance is called a(an)
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Because each gamete has a different combination of parental chromosomes and is the result of crossing over