Lions and tigers and bears, oh my! These scary animals are at the top of their food chains. Learn about the different positions in a food chain,...
What are the hierarchical levels of the food chain through which energy flows from primary producers to primary consumers, secondary consumers, and so on called?What are trophic levels, and how many trophic levels can a food chain have?
What are the two major parameters that can determine the pattern of the embryonic cleavage peculiar to a species? Explain. Why do we have so many species concepts? Which reproductive strategy do most species of insect pests and harmful bacteria u...
What are two types of symbiotic relationships seen in Fungi? What are commensalism, parasitism, and mutualism? What are the main differences between them? A relationship in which both parties benefit: a. predation b. commensalism c. mutualism d. parasitism ...
Food chains and food webs are important ecological concepts that describe the relationships between species in an ecosystem and how energy is transferred between them.The two terms are used interchangeably by many people, but there are a lot of differences between the two.Understanding these co...
Hope and love are popular themes of literature and art in many human societies. The human physiology of love and hope is less well understood. This review presents evidence that the lack of love and/or hope delays growth disturbs development and maturati
There are two main cell death types: programmed cell death called apoptosis and unprogrammed cell death due to cell injury: necrosis. They differ in the signaling, biochemical, and morphological changes displayed by dying cells.
Manganese is naturally stored in the bones, but the pituitary gland craves the mineral for added function, meaningleafy green vegetables, bans and whole grains can only help the cause. What are all the hormones in the female body? The two main female sex hormones areestrogen and progesterone....
How many different shapes of bacteria are there? What separates bacteria from archaea? Describe the shapes of different bacteria. What is the classification of algae? What are the main ecological roles of bacteria? What trophic level is bacteria?
Biology is the study of living things (bio=life). It is a branch of science that includes all living organisms on Earth, which are the many different... Learn more about this topic: Biology | Definition, Concepts & Fields from Chapter 1/ Lesson 1 ...