Boon et al. showed that syngeneic transplantable tumors that mutate such that they express strong transplantation antigens are rejected. They called these variants:

TLS Online TPP Program

#Question id: 24518

#Unit 10. Ecological Principles

Some nonnative parasites are introduced deliberately for the biological control of pests, which of the following are necessary attributes of a good agent of biological control?

a. low rate of increase relative to the host’s

b. Good dispersal ability

c. High searching capacity for hosts

d. Minimal time lag effects

e. Maximal time lag effect

f. General adaptability to the environment

TLS Online TPP Program

#Question id: 24519

#Unit 11. Evolution and Behavior

Natural selection idea is developed  independently by

TLS Online TPP Program

#Question id: 24520

#Unit 11. Evolution and Behavior

which of the following characteristics that are involved to enhances the survival and reproduction of organisms that bear it ?

TLS Online TPP Program

#Question id: 24521

#Unit 11. Evolution and Behavior

Adaptation is involved in

a. aestivation

b. Genetic drift

c. Origin of new species

d. Coevolution

TLS Online TPP Program

#Question id: 24522

#Unit 11. Evolution and Behavior

Plants will grow continuously  and refer to  genetically and phenotypically changes in the characteristics of interacting species resulting from the natural selection is applied on insect. This is an example of

TLS Online TPP Program

#Question id: 24523

#Unit 11. Evolution and Behavior

Adaptation is the process in which animals has chances to increasing surviving ability such as in case of  warfarin the heterozygous allele have more surviving ability in compare to homozygous sensitive and homozygous recessive, what will be the reason behind that  homozygous  recessive will not be survive?