Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 9110
TLS Online TPP Program

#Question id: 12328

The dominant species in a community is

#Unit 10. Ecological Principles
  1. Characterized by very large individuals with long lives
  2. The best competitor in the community.
  3. The best predator in the community.
  4. The species that contributes the most biomass to the community
More Questions
TLS Online TPP Program

#Question id: 5557

#Unit 5. Developmental Biology

The plasma membrane of the sea urchin egg ________.
TLS Online TPP Program

#Question id: 5558

#Unit 5. Developmental Biology

Fertilization of an egg without activation is most like ________.
TLS Online TPP Program

#Question id: 5559

#Unit 5. Developmental Biology

During fertilization, the acrosomal contents ________.
TLS Online TPP Program

#Question id: 5560

#Unit 5. Developmental Biology

In a newly fertilized egg, the vitelline layer ________.
TLS Online TPP Program

#Question id: 5561

#Unit 5. Developmental Biology

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.
TLS Online TPP Program

#Question id: 5562

#Unit 5. Developmental Biology

In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.