Considering the geographic ranges of the Tsuga species, how do you think the eco

Question

Considering the geographic ranges of the Tsuga species, how do you think the ecological niches of these species would probably be described? Investigate maps of terrain and climate to discuss why you think the Tsuga has those general ecological requirements

b. Compare the geographic distribution of the Tsuga species and bears. Doa any common patterns emerge? How do they differ?

c. How well does the Tsuga species exemplify Wallace's law concerning biogeographical distributions?

d. Propose one or more hypotheses that could explain why the Tsuga species is found in three regions (Eastern/Southern Asia, Western North America and Eastern North America) but nowhere in between these three places. What types of evidence would help resolve this biographic pattern emerged?

e . Tsuga specie fossils indicate that the specie was widely distributed across North America and Eurasia (including Europe) from late Crustaceous until Pleistocene. Why might they have dissappeared from large swaths of their former range? How might these have influenced Tsuga speciation

f. Discuss the hemlock distribution woth respect to biogeographic realms.

g. Are there ways in which people might promote genetics changes that could help thses trees resist adelgid attacks?

h. Based in the distributional patterns of the various species, hypothesize with Tsuga specie have the nearest relationship woth one another. Draw a cladogram showing these hypothesized relationships.

Explanation / Answer

a) tsuga is a such kind of the species which are reside or you can say grow in the the evergreen rainforest and the clod tundra region.they are tall tress which have the size of the pine trees. they are sustainably grow in the ecosystem where the humid temperature is available. the ecological system should not be dries and these are the belonging of the hemlock kingdom.

b) both have the difference in the ecological living cycle and the pattern. in the species they can susrvive the dry temperature conditions but the bear have to be in evergreen rainforest humid condition to survive. both have different pattern of weather and environemnt hinderence resistance.

c) it obey totally the wallac law of the biogeographical distributuon. as it is the way by virtue of which the living cycle and biological factor of sustainabilty of the species is depend and due to which the distribution according to the geographical factors depends.

d) it is due to the availability of the climatic condition which is favoirable for the sustain life cycle of these species. according to wallac law of biological distribution, it will only grow or stable in the place where the evergreen condition is available and in these above specific ranges this are available to these species so they can only grow there.

e) it is due to the fact that at that perticular time period the environmental and the ecological condition do not support the growth of the species. these can be happen by many factors like situation of the abailability of the water, rain and the climate changes. this led to the degradation rather to grow.

f) the hemlock is also a kind of the species of the tsuga which is mostly grow in the northern part of the earth. like north ameriaca and the europe. this have the specification chracarter to sustain and grow.

g') i am not sure about this but according to the developement in the science and technology it may be happens.

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