B3.2 - Animals & Plants Flashcards
(Keywords)
Asexual reproduction
When a plant produces a individuals that are genetically identical to itself
Chlorophyll
The natural compound present in green plants that gives them their colour
Chloroplast
An organelle that contains chlorophyll that catches sunlight and converts it into useful energy
Classification key
A set of questions about the characteristics of living things
Continuous variation
Results that come in a range
Discontinuous variation
Refers to things like eye colour or blood group, which have a limited number of possible values
Fertilisation
The action or process of fertilising an egg or a female animal or plant
Genus
A class, kind, or group marked by common characteristics or by one common characteristic
Glucose
A type of sugar; the chief source of energy for living organisms
Inheritance
The process of transmission of genes from parent to offspring
Invertebrate
An animal lacking a backbone, such as an arthropod, mollusc, annelid, coelenterate, etc
Iodine
A nonmetallic chemical element and the heaviest nonradioactive halogen
Mean
The total sum of values in a sample divided by the number of values in your sample
Median
The middle value in a set of numbers arranged in increasing order
Mode
The observation which has the highest frequency
Photosynthesis
The process by which green plants and certain other organisms transform light energy into chemical energy
Pollination
The act of transferring pollen grains from the male anther of a flower to the female stigma
Species
A group of organisms that can reproduce with one another in nature and produce fertile offspring
Stamen
The male fertilising organ of a flower, typically consisting of a pollen-containing anther and a filament.
Starch
An odourless, tasteless white substance occurring widely in plant tissue
Stigma
The part of the pistil where pollen germinates
Stomata
A pore found in the epidermis of leaves, stems, and other organs
Taxonomy
The scientific study of naming, defining and classifying groups of biological organisms based on shared characteristics
Variation
The differences that exist between individuals of a species
Variegated
The presence of two or more colours in the leaves, petals, or other parts of plants
