Studied by 3 people
Movement
An action by an organism or part of an organism causing a change of position or place.
Respiration
The chemical reactions that break down nutrient molecules in living cells to release energy for metabolism.
Sensitivity
The ability to detect or sense stimuli in the internal or external environment and to make appropriate responses.
Growth
A permanent increase in size and dry mass by an increase in cell number or cell size or both.
Reproduction
The processes that make more of the same kind of organism.
Excretion
The removal from organisms of toxic materials, the waste products of metabolism, and substances in excess of requirements.
Nutrition
The taking in of materials for energy, growth, and development in organisms.
Binomial System
A system of naming organisms where the scientific name consists of two parts: the genus and the species.
Species
A group of organisms that can reproduce to produce fertile offspring.
Dichotomous Key
A tool used to identify organisms based on a series of questions about their features.
The Five Kingdoms
The classification of living things into five groups: Animals, Plants, Fungi, Protoctists, and Prokaryotes.
Vertebrates
Organisms with a backbone, classified into five classes.
Invertebrates
Organisms that do not possess a backbone.
Arthropods
Invertebrates with jointed legs, classified into further groups based on characteristics.
Protoctists
Mostly unicellular organisms with a nucleus, some photosynthesize and some feed on organic materials.
Prokaryotes
Often unicellular organisms, such as bacteria, that have no nucleus.
Monocotyledons
Plants with flowers in multiples of 3 and leaves that have parallel veins.
Dicotyledons
Plants with flowers in multiples of 4 or 5 and leaves with a reticulated vein pattern.
Viruses
Entities that are not considered living things because they do not carry out the seven life processes by themselves.
