The complete question is :
The success of plants extending their range northward following glacial retreat is best determined by _____.
A) whether there is simultaneous migration of herbivores
B) their tolerance to shade
C) their seed dispersal rate
D) their size
Answer: The seed dispersal rate
Explanation:
The seed dispersal can be defined as the movement of the seeds away from the parent plant. The ability of the plant to extend is completely dependent on the ability of the plant to disperse its seeds.
Plants have very limited ability, they need vectors to carry its seed from one place to another.
The biotic and abiotic vector both are involved in carrying the seeds which helps in expansion of the trees.
hence, the correct answer is option C
The carbon cycle is one of earths natural resources that enables all living organisms to inhabit the planet. For example, with out this vital resource we would run out of oxygen. Flora (plants and trees) use the carbon that is a by product of cellular respiration by fauna (humans and animals) to reproduce oxygen and this cycle continues. which is what keeps all living organisms in harmony and alive.
The statement is true.
Carbohydrates are broken down in order to obtain glucose for respiration in cells. When there is an inadequate amount of carbohydrates, other macromolecules must be broken down. Excessive breakdown of fats is not possible due to the fact that it causes ketosis; therefore, proteins are broken down and the body starts to lose muscle mass.
Answer:
A contact lens (CL) can act as a vector for microorganisms to adhere to and transfer to the ... Thus, this detailed understanding of lens-related bioburden is important in the ... There are many other speculative causes of inflammation (lens deposits or ... Silver ions interact with the DNA of bacteria preventing cell reproduction, ...
A contributor to this problem has been our sketchy understanding of the normal ... and of the microbes that are leading causes of contact lens-associated infection, ... During contact lens wear microbes can enter the eye from the wearer's lid ... Lessons from DNA microarray analysis: the gene expression profile of biofilms.
Explanation:hope this helps