A radula is a specialized feeding organ used to scrape material off of food for ingestion, much like a cheese grater scrapes shreds off of a block of cheese. Snails, which have this structure, are thus which kind of feeder?
A) suspension feeder
B) fluid feeder
C) deposit feeder
D) mass feeder
Answer: D
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In the U.S., the ____________________, a standardized set of thirteen STR alleles, is used to generate DNA profiles for legal cases
Fill in the blank(s) with correct word
Because glucose is a large molecule, it crosses the membrane through ____________________ diffusion. Fill in the blank(s) with the appropriate word(s)
Gene therapy used to introduce foreign DNA into cells is done for what purpose?
What will be an ideal response?
The thing that distinguishes one element, such as chlorine, from another, such as neon, is the number of:
A) protons in the nucleus. B) protons and neutrons in the nucleus. C) electrons. D) protons, neutrons, and electrons. E) neutrons in the nucleus.