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TLS Online TPP Program

#Question id: 5079

The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called:

#Unit 5. Developmental Biology

  1. holoblastic development, which is typical of marsupial mammals

  2. meroblastic development, which is typical of humans

  3. holoblastic development, which is typical of amphibians

  4. meroblastic development, which is typical of birds

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TLS Online TPP Program

#Question id: 4636

#Unit 11. Evolution and Behavior

Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection?

1. Well-adapted individuals leave more offspring than do poorly adapted individuals.

2. A change occurs in the environment.

3. Genetic frequencies within the population change.

4. Poorly adapted individuals have decreased survivorship.
TLS Online TPP Program

#Question id: 24649

#Unit 10. Ecological Principles

Which of the following is the characteristics of a realized niche?
a. Resource utilisation more
b. Determine by abiotic factors
c. limiting the areas inhabited by their prey or  hosts
d. Limited their niche by the temperature
TLS Online TPP Program

#Question id: 19885

#Unit 13. Methods in Biology

The plasmid used by Cohen and Boyer fr their transformation experiment was
TLS Online TPP Program

#Question id: 7138

#Unit 5. Developmental Biology

The grafting of a second polarizing region into the anterior of a limb bud results in:
TLS Online TPP Program

#Question id: 29519

#Unit 6. System Physiology – Plant

Younger leaves exhibit more robust inducible defenses to herbivores than older leaves this is explained by