1- Emigration and immigration rate
2- Death rate and birth rate
These factors determine and affect the number of organisms of a species in a particular community. Hope this helps!
Answer:

Explanation:
Brucellosis spreads from infected animals with the disease, or from any unpasteurized milk from cows who may have the disease. It is a very rare disease in the United States. Brucellosis can also be called Bangs.
The answer is Option B. Bangs. Best of Luck!
Translocation
hope this helps and maybe a brainly?
Answer:
The interaction between the sloths and the leaves they eat is an example of a<u> predator-prey</u> relationship. In this example, sloths are <u>herbivores</u> that acquire their nutrients and energy from the<u> plants</u> they eat. The colors of coral snakes provide these animals with <u>mimicry</u> to avoid predation. Specifically, their coloration helps them <u>advertise their toxicity.</u> The interaction between the hosts and the ticks that live on them can be characterized as <u>parasitism</u>, because <u>one species feeds on the other</u>.
Explanation:
Predator-prey relationships are those in which a specie feeds on another specie. The sloth is the predator that feeds on the leaves which are its prey. Herbivores feed on plants. Therefore, the sloth are rightly classified as herbivores.
Coral snakes are brightly colored with red, yellow, and black patches that warn potential predators of their toxicity. Ticks living on hosts are parasitic because the ticks feed on their host.
Answer: crossing over allows for genetic variation
Explanation:
crossing over is the exchange of genes between two chromosomes which ends up resulting in non-identical chromatids that comprise the genetic material of gametes (sperm and eggs).
Basically crossing over makes the chromatids that are held together by a centromere, no longer identical to eachother which creates genetic variation.