Proterozoic era characterized by___

a) Origin of life

b) Fossils of blue green algae

c) Most invertebrate evolved

d) First gymnosperm

e) Abundance of marine algae

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#Question id: 12321

#Unit 10. Ecological Principles

Based on the intermediate disturbance hypothesis, a community's species diversity is

TLS Online TPP Program

#Question id: 3497

#Unit 11. Evolution and Behavior

Which of the following is correct statement?

a. Sexual selection should operate more powerfully in polygamous than in monogamous species

b. Polygynous species should have stronger sexual dimorphism than in monogamous species

c. Male competition or male choice favors adaptations to polygynous mating in species

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#Question id: 11992

#Unit 10. Ecological Principles

Which of the following abiotic factors has the greatest influence on the metabolic rates of plants and animals? 

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#Question id: 8922

#Unit 9. Diversity of Life Forms

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

TLS Online TPP Program

#Question id: 12708

#Unit 8. Inheritance Biology

800 meiocytes with the genotype AaBb undergoes meiosis with 60% chance of crossing over with A and B. How many recombinant gamete form?