Activity 1.2: Brain Teaser Directions: From the information given inside the box, think of corresponding key

word or phrase that will supplement the concept. Then, make an

illustration for each transport mechanism.

(please i really need an answer)​

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

The organelle pictured is found in cells of and is theorized to have once been an independent organism.