6 results found

Search Results for: tropic

Tropic
Definition
Tropic

tropic 1. (Science: suffix) A turning toward, having an affinity for. Compare: -trophic. Origin: G. Trope, a turning 2.... Read More

Principles of Hormonal Control Systems
Tutorial
Principles of Hormonal Control Systems

Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More

Stimulus definition and example
Definition
Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

Definition
Predation

In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Nastic movement
Definition
Nastic movement

Definition noun, plural: nastic movements The non-directional movement (of plants) in response to a stimulus (e.g. humidity,... Read More

Nyctinasty
Definition
Nyctinasty

Definition noun, plural: nyctinasties (botany) The nastic movement of plant parts such as leaves and petals in response to... Read More