Discuss the three most important factors for successful reproduction
What will be an ideal response?
Successful reproduction depends on a small number of important factors: healthy gametes (egg and sperm), a place for fertilization to occur (oviduct), and a place for the embryo to grow and develop (the uterus). If any of these components are missing or malfunctioning, infertility may result.
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The ratio of net productivity at one trophic level to net productivity at the trophic level below it is known as:
1.Ecological efficiency 2.Harvesting efficiency 3.Assimilation efficiency 4.Production efficiency
Radioisotopes ____
a. are unstable and emit energy and particles to stabilize themselves. b. are different elements from the "standard" elements. c. are very stable and do not change over time. d. are so unstable that they rarely exist in nature e. exist only for carbon and oxygen
In a population, allele S is strongly favored. However, over time, the frequency of the s allele does not significantly decrease, but rather is maintained. What evolutionary process(es) could be responsible for countering the effect of selection for the S allele? (Select all that apply.)A) mutationB) genetic driftC) gene flowD) assortative mating
What will be an ideal response?
In this experiment, step three uses a protease along with heat to denature and digest proteins within the cell. Does the protease or the heat digest the protein?
A) Protease digests proteins and heat denatures proteins B) Heat digest proteins and protease denatures proteins