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TLS Online TPP Program

#Question id: 5566

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?

#I Life Science/ Life Sciences Group – I-V

  1. The sperm allow morphogenesis to proceed.

  2. Sperm trigger egg activation.

  3. Cell differentiation is initiated by the sperm.

  4. Sperm are necessary to produce a diploid zygote.

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TLS Online TPP Program

#Question id: 6979

#I Life Science/ Life Sciences Group – I-V

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

#Question id: 6979

#SCPH06 I Botany

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

#Question id: 6979

#SCPH28 | Zoology

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

#Question id: 6980

#SCPH01 Biochemistry

Teeth form from
TLS Online TPP Program

#Question id: 6980

#I Life Science/ Life Sciences Group – I-V

Teeth form from
TLS Online TPP Program

#Question id: 6980

#SCPH06 I Botany

Teeth form from