4,064 Answered Questions for the topic biology

Biology Ap Biology

03/26/20

Most crustacean fossils have been found a rock deposit called
A. Burgess ShaleB. Darwin’s ShaleC. Burgess RockF. Darwin’s Rock
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Biology Ap Biology

03/26/20

The oldest evidence of life was found in fossils found in
A. AfricaB. AustraliaC. EuropeD. Argentina
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Biology Ap Biology

03/26/20

Hemophilia is an X-linked recessive trait. A male with hemophilia has a daughter with hemophilia. What is/are the possible genotypes of the daughters’ mother?
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Biology Ap Biology

03/26/20

An AABB individual is crossed to an aabb individual. The F1 offspring, which are AaBb, are crossed to aabb individuals. The F2 offspring can be AaBb, Aabb, aaBb, or aabb.

Which of these four types do you expect to be the most common?
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Biology Ap Biology

03/26/20

Since phylogenetic trees are based on common ancestries and connect classification with evolutionary history, what types of organisms are most likely to appear in the fossil record?
Describe the fossils abundance, length of existence, physical characteristics and places they would be found.
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03/25/20

In a single muscle twitch, the contraction period:
A. is from start of contraction to the end.B. is from the start of contraction to peak of contraction.C. is from the peak of contraction to the end D. is the peak of contraction
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Biology

03/25/20

What is the main function of the muscular diaphragm?
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03/24/20

How do you lose weight?
Give me simple details with simple explanation on how to lose weight. The answer should NOT include the word energy but a simple calculation detailing the proces of how to gain/lose weight.
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Biology Ap Biology

03/24/20

Does formaldehyde contain non-polar or polar covalent bond? Explain.

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Biology Ap Biology

03/24/20

Does ammonia contain non-polar or polar covalent bond? Explain.
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Biology Ap Biology

03/24/20

Does methane contain non-polar or polar covalent bond? Explain.
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Biology Ap Biology

03/24/20

How many hydrogen bonds can a water molecule form with other water molecles?
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Biology Ap Biology

03/24/20

List four ways on how the properties of water resulting from its polarity and hydrogen bonding affect living systems.

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Biology

03/24/20

please help me put muscle contractions in order
ATP is broken down (hydrolysis) and the muscle contracts Brain sends an electrical signal to the spinal cord Calcium is released in the muscle and cross bridges form Electrical signal arrives at... more
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Biology

03/23/20

Why do changing environmental conditions affect an ecosystem?
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Biology Ap Biology

03/23/20

Why is hydrogen bonded important to the properties of water?
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03/22/20

I need help please
Draw a diagram to illustrate or describe in words the cycle(s) of matter within the healthy lake. 
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03/21/20

Why do people get varicose veins
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03/21/20

What is V-Tach?
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Biology Science

03/20/20

Scientific Method vs scientific inquiry
What is the difference between scientific method and scientific inquiry, why is one better than the other?
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Biology Science Anatomy Mcat

03/20/20

microbiology study
Microbiology Epidemiology Microbiology Epidemiology Microbiology Epidemiology
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Biology

03/19/20

Which statement about water best illustrates the property of adhesion?
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03/19/20

case study Infection
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Biology

03/18/20

PLEASE ANSWER I NEED HELP ASAP
What happens to the volume of a gas in a closed container if the temperature increases, but the pressure remains the same? Explain.
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Biology Neurology

03/15/20

What is the sound I hear, when i try to move my ears?
I recently discovered that i can move my ears. But when i do that, i hear like a low frequency that changes in amplitude.So i was wondering if that is the muscles rapidly contracting, which could... more
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