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BIOLOGY
MIDDLE SCHOOL
Bees use nectar from the flowers of plants as food. As they collect nectar, dustlike pollen grains stick to their body. When they move from flower to flower, pollen is transferred to other flowers. The pollen from other flowers helps the plant make seeds. Which challenge of life does the bee help the plant meet?A.acquiring energyB.reproductionC.maintaining its structureD.homeostasis
BIOLOGY
MIDDLE SCHOOL
A recessive allele t is responsible for a condition called distonia. A man who has this condition marries a woman who doesn't. One of their four children has the condition. What are the possible genotypes of the man and the woman? (Hint: To help you answer this question, create a Punnett square for each possibility.) A. Both parents are TT.B. The father is tt; the mother is Tt.C. The father is Tt; the mother is TT.D. The father is tt; the mother is TT.
BIOLOGY
HIGH SCHOOL
Which of the following is typically associated with a large amount of organic material in a water supply? Lower turbidity Higher phosphates Fecal coliform High dissolved oxygen
BIOLOGY
HIGH SCHOOL
A stone held above the ground has potential energy. When the stone is dropped, potential energy is converted to _________ energy.a. chemical b. thermal c. electrical d. kinetic
BIOLOGY
HIGH SCHOOL
Describe what happens when a cells divide uncontrollably
BIOLOGY
HIGH SCHOOL
Current beliefs as to why people age
BIOLOGY
HIGH SCHOOL
How do biological communities get to be the way they are?
BIOLOGY
HIGH SCHOOL
ATP is composed of a nitrogenous base, a sugar, and
BIOLOGY
HIGH SCHOOL
Which mountain range formed as a result of plate motion around the ring of fire?
BIOLOGY
HIGH SCHOOL
What kind of animal tissue functions in transmitting messages rapidly through your body?
BIOLOGY
HIGH SCHOOL
Which is the stronger force behind plate movement?
BIOLOGY
HIGH SCHOOL
What is the diploid number of chromosomes in the cells shown in the animation of mitosis?
BIOLOGY
HIGH SCHOOL
What are character traits that people work toward, in order to become better human beings?
BIOLOGY
HIGH SCHOOL
Which area of the central nervous system contains cerebrospinal fluid?a)Efferent tissueb)Subarachnoid spacec)Dura materd)Grey matter
BIOLOGY
HIGH SCHOOL
How long does a regular menstrual cycle last?
BIOLOGY
HIGH SCHOOL
Describe what happens to an egg during the first 14 days of the cycle?
BIOLOGY
HIGH SCHOOL
The cell mechanism of "active transport" involves the transport of insoluble chemicals across the membrane with protein acting as the carrier.
BIOLOGY
HIGH SCHOOL
Which best explains the surface tension of water?
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