If motility is considered a characteristic of animals, then why are stationary creatures such as sponges still considered to be animals?

What will be an ideal response?


They have a larval stage that is motile, so they meet the criterion of mobility because at some point in their life cycle they are mobile. These animals become sessile as adults.

Biology & Microbiology

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Assimilation of organic phosphates from the surroundings uses enzymes known as ________.

A. phosphosynthetases B. phosphoisomerases C. phosphorylases D. phosphatases

Biology & Microbiology

All of the following diseases are transmitted by

insects EXCEPT a. malaria b. African Sleeping Sickness c. Bubonic Fever d. AIDS e. Chagas Disease

Biology & Microbiology

The following represents a DNA strand in the process of replication. The bottom sequence is that of the DNA strand with polarity indicated and the top sequence represents the RNA primer

GGGGCCUUU 5? AAATCCCCGGAAACTAAAC 3? Which of the following will be the first DNA nucleotide added to the primer? A) A B) G C) C D) T E) U

Biology & Microbiology

One of the main problems associated with treating human diseases through gene therapy is

A) finding human cells that could potentially be genetically engineered. B) the inability to clone human cells. C) finding a delivery system that would target specific cell types. D) finding the correct form of the gene to be delivered. E) determining a disorder that could be cured through gene therapy.

Biology & Microbiology