Answer:
Explanation:
Human activities had led to diversity of species in ecosystem. Some of the species of animal have been lost and displace due to human activity such as deforestation, construction, company establishment.
Clearing of land for agriculture use has also contributed to diversity that occur in the habitat of an animal.
Diversity of an habitat leads to an unstable ecosystem, as animals can no longer thrive and live in their environment, some species of animals are lost including important species in the environment in the process and others struggles to survive.
Reduction of human activities in animals natural habitat can help restore diversity.
The correct answer for the question above is letter a. A farmer is trying to improve his crop yields by using a new kind of <span>fertilizer. It describes best the basic science research because it aims to make the the scientific theories better.</span>
I would guess a community.
Answer:
The correct answer is option A. "V(D)J recombination is similar to the replicative transpositional mechanism".
Explanation:
V(D)J recombination and the replicative transpositional mechanism are very different biological processes. V(D)J recombination is an unique mechanism that takes place by somatic recombination and results in the highly diverse repertoire of antibodies. On the other hand, the replicative transpositional mechanism takes place when a transposable element is duplicated during replication.
Answer:
This is an indication of immune response to a particular infection.It shows that the WBC are fighting against certain infections which may have entered the host(patient).In some cases, when an individual engaged in physical stress or disturbed emotionally, The WBC level may also rise.
Explanation: