Biology

Biology

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

38Categories 283278Terms

Add a new term

Contributors in Biology

Become a Contributors

Biology > Ecology

place

Biology; Ecology

Various ecological thinkers have pointed out that in the West, the felt sense of place--that tree, this brook, my room--has slowly given way to the abstract notion of space: a ...

companion planting

Biology; Ecology

Planting plants that do well together near each other. Here are some: * Marigolds around tomato and pepper plants. * Asparagus and parsley. * Beans with potatoes, carrots, ...

coral

Biology; Ecology

Marine invertebrates that secret a calcium carbonate exoskeleton and live symbiotically with algae, with the algae providing nutrients like carbon and the coral nitrogen, ...

food miles/kilometers

Biology; Ecology

Term coined by Tim Lang to denote the distance food must travel from where it is grown or produced and where it is sold. Foods that must come a long distance often require more ...

polycyclic aromatic hydrocarbons (PAHs)

Biology; Ecology

Over a hundred organic carcinogens produced by the incomplete burning of oil, coal, gas, tobacco, garbage, and even meat. Some are used in pesticides. Aside from causing cancer, ...

lake layers

Biology; Ecology

* A littoral zone where shore plants grow * An epilimnion, site of sunlight-driven photosynthesis * A metalimnion below it, separating the upper waters from the * Hypolimnion, ...

competition

Biology; Ecology

For food and resources. Types: interference (by direct attack), exploitation (forced to share a resource), scramble (everyone gets something), contest (one competitor gets it ...