4. The r strategists are characterized by areb) numerous offspring e) short gene

Question

4. The r strategists are characterized by areb) numerous offspring e) short generation time d) all of these 5. Mortality is highest during the young stages for a) type I survivorship curveb) type II c) type III d) type IV 6. Animals which enable them to obtain , such as insects, have in turn coevolved with flowering plants into developing special traits, a) food b) shelter c) a water source d) nesting sites . Plant morphological defenses do not include a) spikes and thorns b) chemical substances c) plant hairs d) nectar in the flowers 8. Insects that feed on milkweed plants are generally brightly colored, a feature known as a) Batesian mimicry b) camouflage c) cryptic coloration d) warning coloratio 9. One of the key features of Batesian mimicry is that mimics are d) nontox b) cryptically colored c) different from the models a) abundant 10. Unlike Batesian mimicry, in Muellerian mimicry b) all the animals are toxic a) all the animals are abundant only the mimics are abundant d) only the models are toxic

Explanation / Answer

4. d

They require short gestation period, high growth rate, short generation time with little or no parental care.

5. c

Type I curves are observed in populations with low mortality at young age but high mortality in older ages.Type II curves are observed with constant mortality. Type III curves are observed with high mortality in younger age and low mortality at elder ages.

6. a

7. d

8.a

9.a

It is the most commonly known.

10. d

A harmless animal evolves to adapt the harmful characters morphologically, then the harmless animal is mistaken as harmful.

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