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What is the order of Phylogenetic divisions?

Phylogeny is the study of the evolutionary relationships of organisms. A good acronym to learn this is King Plays Cards on Fat Girls Stomach.K - Kingdomp - PhylumC - ClassO - OrderF - Family G - Genus S - Sp...
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Answered by Nidhish J. • Biology tutor
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What is the cardiac cycle?

The cardiac cycle is what happens during a single heartbeat. To understand the cycle it helps to know that the heart is made up of four chambers, the top 2 chambers are called the atria and the lower 2 chamb...
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Answered by Megan P. • Biology tutor
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How do white blood cells protect us from infection?

Sometimes microorganisms are able to make it past the body's external defences (i.e. the skin) the body's immune system must defend the body. White blood cells are really important in the immune response. Th...
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Answered by Thomas C. • Biology tutor
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How do we regulate body temperature?

Homeostasis, the regulation of stable body conditions, includes control of body temperature. We function efficiently at 37 degrees celsius, as our proteins and enzymes work best at this temperature. We can s...
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Answered by Sophie S. • Biology tutor
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Which best describes the function of a cell membrane? (a) It keeps the cell in shape. (b) It controls the substances entering and leaving the cell. (c) It controls the substances entering the cell. (d) It supports the cell structures.

This is an example of how you can get around not knowing an answer in a multiple choice question by using some basic knowledge and powers of deduction. (a) "it keeps the cell in shape" Think about ...
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Answered by Rebecca W. • Biology tutor
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