Animals are a major group of organisms, classified as the kingdom Animalia in the 5 kingdom classification system. In general, animals are multicellular or unicellular organisms, capable of moving and responding to the environment, having food for other organisms (heterotrophs). Schematic diagram of animal body…
Classification of flowering and non-flowering plants: + Flowering plants are plants whose reproductive organs are flowers, fruits and seeds. + Plants without flowers are plants whose reproductive organs are not flowers, fruits or seeds. Plants with flowers include the following types of organs: + Vegetative…
A food chain (food relationship) is a series of organisms that have nutritional relationships with each other, the first species being the food of the following species. Each species is considered a link in the food chain, being both the organism that consumes the front…
The producing organism is the organism that begins the food chain because it directly produces organic matter from inorganic matter. It is also known as an autotrophic organism or a provider organism. In the group of autotrophs, there are two categories: One uses the energy…
The organism responds, adapts to the effects of environmental conditions by two ways: One is to flee to avoid the disasters of the external environment (mainly in animals) or to create the ability to adapt. adapt to living conditions. – The organism’s adaptation to the…
The concept of adaptive traits: Adaptation is a trait in which an organism can survive in its environment, the main characteristics of the organism that help them live better in the environment are called adaptive traits. Adaptive characteristics are the change in morphology, size, and…
In behavioral ecology, the concept of adaptive behavior or adaptive behavior is any behavior of an animal that contributes directly or indirectly to an individual’s reproductive success, due to the it is influenced by natural selection in the struggle for survival, which is a functional,…
Diversity of ecosystems of Vietnam: Terrestrial ecosystems Among terrestrial ecosystems, forests have the highest diversity in species composition, and at the same time it is home to many species of wildlife, wild plants and microorganisms of economic and scientific value. . Other types of natural…
Bird class lives in ecosystems around the globe, from the Arctic to the Antarctic. Furthermore, birds vary in size, from small birds of 5cm (like Mellisuga helenae – a hummingbird) to as large as 2.7m (like ostriches). Vietnam is one of the countries with great…
Hibernation is an instinct for some animals to resist the cold of winter. They can hibernate for months without eating, drinking, or being inactive and still not dying. The amazing thing is that the mother bear often gives birth during hibernation. For the phenomenon of…