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TLS Online TPP Program

#Question id: 8861

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

#XL - T Zoology
  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: 5756

#XL - S Microbiology

Type of mutation caused by an addition or deletion of a base in a polypeptide-encoding part of a gene
TLS Online TPP Program

#Question id: 11316

#XL - R Botany

Primary production generally determines the sizes of higher trophic levels. This observation provides support for __________ control of community structure.
TLS Online TPP Program

#Question id: 14960

#XL - T Zoology

How might the ability of pea plants to self fertilize be a problem for genetic experiments?
TLS Online TPP Program

#Question id: 5740

#XL - S Microbiology

Pollen from one species germinates on the stigma of another related species and sexually fertilizes the ovule. Most of the resulting plants are sterile but some of the resulting offspring undergo chromosome duplication resulting fertile plants. The fertile offspring are known as
TLS Online TPP Program

#Question id: 18474

#XL - R Botany

Which of the following is not related to Necrosis?