noun

the process by which something takes in a substance, form of energy, or liquid

noun

the ability that animals and plants have to change and make themselves especially suitable for living in a particular environment

noun

the process by which the body uses oxygen in order to make food separate into the substances it consists of and produce energy

noun

respiration that takes place where there is little or no oxygen. This produces less energy than aerobic respiration, and a lot of it is lost as heat.

noun

a process in which plant or animals cells are destroyed by their own natural chemicals

noun

the pattern of physical processes that happen in someone’s body over a period of time

noun

the process in which chemicals in the body separate large food molecules into smaller ones so they can pass through the wall (=outer layer) of the intestine

noun

a situation in which two species live together in a way that is helpful to one species and not harmful to the other

noun

the process of changing food into the substances that your body needs

noun

the process by which the body gets rid of solid waste through the anus

noun

used about children and animals

noun

used about a part of your body, especially your hair or nails

noun

used about bacteria, cells, or crystals

adjective

relating to processes in your body such as digestion that you are not conscious of controlling but which are controlled automatically by the brain

noun

the natural process of making milk in the breasts in order to feed a baby

noun

the series of changes that happen to an animal or plant during its life

noun

the process by which a person, group, or organization produces heat or energy for their own use

noun

the process by which a liquid that contains a small amount of dissolved substances slowly passes through a membrane (=thin layer of something) into a liquid that contains a large amount of dissolved substances

adjective

relating to the process of osmosis

noun

the process by which some plants and insects develop from a female cell without needing to be fertilized by a male cell

noun

the process of having babies or of producing young animals or plants

adjective

relating to the process of having babies or producing young animals or plants

noun

the process of breathing air in and out

noun

a close connection between two different living creatures from which both usually get benefits

noun

the process in which water that has travelled from the roots of a plant up to its leaves passes out into the air as vapour

noun