Protists live in a wide variety of habitats, including most bodies of water, as parasites in both plants and animals, and on dead organisms.Learning ObjectivesDescribe the habitats and life cycles of various protistsKey PointsSlime molds are categorized on the basis of their life cycles into plasmodial or cellular types, both of which end their life cycle in the form of dispersed spores.
Biosynthesis, Function and Effects Histamine is a biogenic amine widely distributed in the animal and plant kingdoms. In the human body, it acts both as a hormone and as a neurotransmitter. In its function as a hormone histamine is very versatile: it is the main messenger in natural defense reactions of the body, eg.
Giving the Gift of LifeDid you ever donate blood as the individual in Figure (PageIndex 1 ) is doing? If you did, then you probably know that your blood type is an important factor in blood transfusions. People vary in the type of blood they inherit, and this determines which type(s) of blood they can safely receive in a transfusion.
Characteristics Name: Robinia Latin name: Robinia Number of species: approx. 20 species of robin Distribution: Northern hemisphere Fruits: pods contain the seeds Flowering period: May-June Height: 15-20 meters Age: up to 200 years Properties of the bark: toxic Characteristics of the wood : contain antibodies against pests Locations of the tree: everywhere, no particular demands Leaf: three to ten -pair, elliptical leaves, lush green color Interesting about the Robinia The Robinia (Robinia) genus includes about 20 different species.