* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 4 Jargon buster terms to learn sex and the sea
Survey
Document related concepts
Transcript
Terms to learn: Jargon buster Sex in the sea Asexual reproduction Producing new organisms from one parent only. Offspring are an exact copy of the parent because no new genetic material has been introduced, unlike during sexual reproduction Broadcast spawning Simultaneous release of egg and sperm cells. Corals for example often reproduce using broadcast spawning. Characteristics The features plants or animals have to adapt to their surrounding environment Community All the organisms living in the same habitat Competition The fight for resources that are in limited supply by plants and animals in a habitat. This can be within the same population (the same species) or the same community (between different species) Environment An organism’s surroundings Environmental Variation Change(s) caused in an organism by environmental factors External fertilisation Fertilisation which occurs in the environment Feature Characteristics organisms may have to surviving in their environment. Limpets have a strong, muscular foot for example to stick to rocks on the rocky shore. Fertilisation Joining of a male sex cell with a female sex cell. In animals this is a sperm cell joining with a egg cell which produces an embryo and in plants this is a pollen cell joining with an ovule which produces a spore Habitat The place where an organism lives Internal fertilisation Fertilisation which occurs inside the body, usually the female (but male in the case of seahorses) Organism Any living plant or animal Population A group of the same species living within a community Reproduction Producing the next generation of organisms Sexual reproduction Producing new organisms from genetic material provided by two parents; one male and one female Species A group of living things that have many similar features and that can successfully interbreed