Back to AI Flashcard MakerBiology /Biology EOC Review Part 6
isotonic
when the concentration of two solutions is the same
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Key Terms
Term
Definition
isotonic
when the concentration of two solutions is the same
keystone species
a species that influences the survival of many other species in an ecosystem
secondary succession
succession following a disturbance that destroys a community without destroying the soil
seed
a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat
selectively permeable
a property of cell membranes that allows some substances to pass through, while others cannot
somatic cell
Any cell in a multicellular organism except a sperm or egg cell.
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| Term | Definition |
|---|---|
isotonic | when the concentration of two solutions is the same |
keystone species | a species that influences the survival of many other species in an ecosystem |
secondary succession | succession following a disturbance that destroys a community without destroying the soil |
seed | a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat |
selectively permeable | a property of cell membranes that allows some substances to pass through, while others cannot |
somatic cell | Any cell in a multicellular organism except a sperm or egg cell. |
speciation | the formation of new species as a result of evolution |
species | taxonomic group whose members can interbreed |
structural adaptation | a physical feature of an organism's body having a specific function that contributes to the survival of the organism |
substrate | The reactant on which an enzyme works. |
symbiosis | relationship in which two species live closely together |
taxonomy | a classification of organisms into groups based on similarities of structure or origin etc |
telophase | the final stage of meiosis when the chromosomes move toward opposite ends of the nuclear spindle |
theory | well-tested explanation that unifies a broad range of observations |
thigmotropism | plant growth in response to touch |
transpiration | loss of water from a plant through its leaves |
trophic level | feeding level in an ecosystem |
tropism | the growth response of a plant toward or away from a stimulus |
vaccine | substance prepared from killed or weakened pathogens and introduced into a body to produce immunity |
mitochondria | cellular organelles where cellular respiration occurs |
mitosis | part of eukaryotic cell division during which the cell nucleus divides |
monohybrid cross | a cross in which only one characteristic is tracked |
mutagen | physical or chemical agent that causes mutations |
mutation | change in a DNA sequence that affects genetic information |
mutualism | symbiotic relationship in which both species benefit from the relationship |
natural resource | materials found in nature that are used by living things |
natural selection | process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest |
negative feedback | mechanism of homeostasis that tends to stabilize a process by reducing its rate or output |
niche | the status of an organism within its environment and community (affecting its survival as a species) |
nitrogen cycle | the transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere |