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TLS Online TPP Program

#Question id: 8861

Which of the following is true of members of the phylum Cnidaria?

#Unit 9. Diversity of Life Forms
  1. They are not capable of locomotion because they lack true muscle tissue.
  2. They are primarily filter feeders.
  3. They have either or both of two body forms: mobile polyps and sessile medusae.
  4. They may use a gastrovascular cavity as a hydrostatic skeleton.
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TLS Online TPP Program

#Question id: 6979

#Unit 5. Developmental Biology

The muscle-forming cells of the vertebrate limb come from:
TLS Online TPP Program

#Question id: 6980

#Unit 5. Developmental Biology

Teeth form from
TLS Online TPP Program

#Question id: 6983

#Unit 5. Developmental Biology

In vertebrates, the heart forms from:
TLS Online TPP Program

#Question id: 6984

#Unit 5. Developmental Biology

Which of the following genes is unlikely to be involved in preaxial polydactyly in mice?
TLS Online TPP Program

#Question id: 6985

#Unit 5. Developmental Biology

The ventricular proliferative zone is:
TLS Online TPP Program

#Question id: 6988

#Unit 5. Developmental Biology

Many cells in the body divide only rarely, if at all; neurons, red blood cells, and keratinocytes are extreme examples. In which portion of the cell cycle would such cells be considered to be?