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Off the coast of California, Kelp fronds are surrounded by sardines and provide food and cover for a wide range of marine animals.
Sea urchins are abundant bottom-dwelling grazers and scavengers. Kelp are tough and fast-growing, but urchins (animals related to starfish) can eat them with their hard rasp-like mouth parts. Urchins are protected by their prickly spines and a hard outer shell. In the absence of factors controlling their abundance, urchins can increase to very high densities, producing what are sometimes called "urchin barrens" devoid of kelp. Unlike kelp forests, urchin barrens do not support much life.
Sea otters are uniquely suited to eating the urchins. With their dexterous paws and long incisors, they can crack open the urchins, eating the soft flesh inside. Sometimes they even use rocks as tools to crush tough prey.
Identify the foundation species and the keystone species.
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Assume a population in Hardy-Weinberg equilibrium for a charactertrait with these genotypic frequencies: AA = 0.25,Aa = 0.50, and aa = 0.25. If you remove all thehomozygous dominants and allow the remaining population toreproduce (again under Hardy-W..
Assume that, during biological research, it became possible to incorporate fully functional chloroplasts into the basal layer of our epidermal skin cells. Knowing the structure and function of chloroplasts, how will this influence our body.
for a given area and time period, what is the amount of solar energy converted to chemical energy called?
Determine what aspects of cellular morphology might present challenges in getting a single colony representing a pure culture of a particular isolate when working with natural samples
Describe the structure and function of the three forms of RNA determine the primary structure of polypeptide chains during translation.
Why is replication host range important when considering horizontal gene transfer mediated by plasmids.
Give at least 2 examples of non-caloric food items humans consume
1.what characterizes all living things?2.what makes the two individuals belong to the same species?3.what is it that
what must happen to the cell parts, especially the nucleus of amoeba Proteus in order for it to successfully reproduce to form two new amoebas
What are the possible outcomes of using morphology and protein structure?( will the caldograms contain same organization or different?)
Pyrimidine dimers cannot be copied by the normal action of DNA polymerases, so DNA replication would stop when the polymerase encounters one of these dimers. What mechanism have cells developed to deal with this damage when encountered during replica..
In watermelons, the genes for green color and for short shape are dominant over their alleles for striped color and for long shape. Suppose a plant with long striped fruit is crossed with a plant that is heterozygous for both of these characters.
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