Biomolecules
What is an enzyme?
molecules that speed up reaction rates in organisms
What is an enzyme?
molecules that speed up reaction rates in organisms, especially in digestion
What is the stigma?
female part of a plant that receives pollen
What is a predator?
an animal that kills and eats another animal
What is a trophic level?
the position of organisms in a food chain or food web
What is a component?
part of a whole
What is a hormone?
chemical messenger produced for communication in an organism
What is the style?
female part of a plant through which pollen travels to the ovary
What is commenselism?
relationship between two organisms where one benefits and the other is not affected
What is the 10% rule?
the principle that about 10% of energy is passed from one trophic level to the next in an ecosystem
What is phospholipid?
type of lipid that makes the double-layered cell membrane of all cells
What is a receptor?
part of a cell or organ that receives a message from the endocrine or nervous systems
What is the anther?
male part of a plant that produces and contains pollen
What is competition?
relationship where two organisms both use the same resource
What is a tertiary consumer?
third-level consumer (notice it is at the 4th level, but the 1st is a producer not a consumer)
What is a molecule?
group of atoms bonded together that serves a particular function
What are nutrients?
substances, mostly from foods, that are necessary for growth and development
What is vascular?
system that has vessels or is made of tubes
What is parasitism?
relationship between organisms, where one, the parasite, lives on or inside another organism, the host, causing it harm
What is a decomposer?
organisms that break down dead organic material
What is glucose?
energy molecule that can easily be converted into a type of energy called ATP that cells can use
What is absorption?
the transfer of substances into cells, tissues, or organs
What is phloem?
vessels in plants that transport glucose and nutrients, generally from the leaves to all other parts
What is mutulaism?
relationship between two organisms where both benefit
What is a consumer?
organisms that obtain energy by eating other organisms