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TLS Online TPP Program

#Question id: 8927

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

#SCPH28 | Zoology
  1. arthropods have had more time to co-evolve with land plants than have vertebrates.
  2. extant terrestrial arthropods are better adapted to terrestrial life than are extant terrestrial vertebrates.
  3. ancestral arthropods must have been poorly adapted to aquatic life, thus experienced a selective pressure to invade land.
  4. vertebrates evolved from arthropods.
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TLS Online TPP Program

#Question id: 17220

#SCPH28 | Zoology

Which of the following occurs when certain adaptive hormones are released and cause changes in the structure and chemical composition of the body?
TLS Online TPP Program

#Question id: 6983

#SCPH28 | Zoology

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

#Question id: 845

#SCPH06 I Botany

The most common cystic fibrosis– causing mutation is the deletion of a Phe residue at position____ in CFTR, which causes improper protein folding
TLS Online TPP Program

#Question id: 6988

#SCPH06 I Botany

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?
TLS Online TPP Program

#Question id: 14125

#SCPH01 Biochemistry

Which of the following statement is correct about sequence alignment?