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TLS Online TPP Program

#Question id: 5560

In a newly fertilized egg, the vitelline layer ________.

#Unit 5. Developmental Biology

  1. lifts away from the egg and hardens to form a fertilization envelope

  2. secretes hormones that enhance steroidogenesis by the ovary

  3. reduces the loss of water from the egg and prevents desiccation

  4. provides most of the nutrients used by the zygote

More Questions
TLS Online TPP Program

#Question id: 26878

#Unit 10. Ecological Principles

All characteristics of r-selected species, except
TLS Online TPP Program

#Question id: 26879

#Unit 10. Ecological Principles

All characteristics of k-selected species, except
TLS Online TPP Program

#Question id: 26880

#Unit 10. Ecological Principles

At the time of first colonisation extinction is __A__ and immigration rate is__B___
TLS Online TPP Program

#Question id: 26881

#Unit 10. Ecological Principles

later arriving species are generally K-selected which are___
TLS Online TPP Program

#Question id: 26882

#Unit 10. Ecological Principles

increasing distance of the island from the mainland, then what will caused?
TLS Online TPP Program

#Question id: 26883

#Unit 10. Ecological Principles

Fast generation and high mutation rate in tropical leads to