54 results found

Search Results for: adaptations

Lotic Communities & Animals

A running water environment offers numerous microhabitats that simulate favorable conditions for many types of animals to... Read More

Still Freshwater & Plants

Plants in the freshwater community provide a means of food for herbivores and harness new energy into the community as a... Read More

Predation

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

Plant Water Regulation

A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Amphibians & Early Reptiles

Amphibians Amphibians are small vertebrates. They are all under the taxon Vertebrata. Amphibians are typically... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Animal Water Regulation

Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... Read More

Lotic Communities & Algae

In general, the diversity of plant species in a lotic community is small compared to that of a still water (lentic)... Read More

Macrophytes

Introduction    Examples of Macrophytes. (Source: Canada's AquaticEnvironments) ... Read More

Arboreal

Arboreal Definition Arbor is a Latin word meaning "tree". Thus, arboreal means "related to or pertaining to trees". The... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Systematics

Definition noun The branch of biology that deals with the (study of) classification systems and nomenclature of... Read More

Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habitat... Read More

Leaves

Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... Read More

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Arthropod

Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

Muscles of the Apes – a thwack on human muscle evolution

Summary: A recent finding suggests that apes do have the muscles for bipedalism, vocal communication, and facial... Read More

Homeostasis of Organism Water Regulation

Osmoregulation Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the... Read More

Adaptation

Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting in behavior, physiology, or... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Rhizophora

Definition noun (botany) A genus of the family Rhizophoraceae which includes the true mangroves Supplement Rhizophora is a... Read More

Fish

While insects and similar types of organisms strived to occupy land, the sea was teeming with life aiming to secure their... Read More

Freshwater Communities & Plankton

Plankton are microscopic organisms that live suspended in the water environment and form a very important part of the... Read More

Insects

To learn more about arthropods, look at the previous tutorial. The Class Insecta of the Arthropoda Phylum is by far the... Read More

Arthropods

There are over two million species of arthropods, who initially arrived on Earth in the middle of the Cambrian period.... Read More

Water in Plants

The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More

Stems

External Form of a Woody Twig A woody twig, or stem, is an axis with leaves attached. The leaves are arranged in various... Read More

Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of... Read More

Still Water Community Plants

Freshwater Plants & Water As mentioned in the previous tutorial about still water plants, the method of transpiration... Read More

The Water Cycle

The water cycle (sometimes referred to as the hydrological cycle) is the continuous transfer of water from air, sea land and... Read More

Biology: Concepts & Connections with Student CD-ROM (5th Edition)

Biology: Concepts & Connections with Student CD-ROM (5th Edition)   ... Read More

Cactoidea

Definition noun (plant taxonomy) The largest subfamily of the cactus family comprised of the tribes: Browningieae, Cacteae,... Read More

Felidae

Definition noun A taxonomic family of Carnivora embracing domestic and wild cats such as lions and tigers Supplement Felidae... Read More

Humans are Omnivores – Evidence

A number of popular myths about vegetarianism sprung with no scientific basis. One example of such a myth is that man is... Read More

Human

Definition noun plural: humans hu‧man, (h)yo͞omʹn A bipedal primate belonging to the genus Homo, especially Homo... Read More

Leaf

Leaf Definition (botany) A plant organ that is specialized for photosynthesis. Collectively, it constitutes foliage.... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Aquatic

Definition adjective Of, relating to, or pertaining to water Supplement In biological context, the term aquatic is used to... Read More

Analogous

In evolutionary biology, the meaning of analogous is “having similarities in functions but different evolutionary... Read More