67. The illustration below shows a single-celled organism that has a nucleus and
organelles, lacks a cell wall, and
obtains food by eating other
organisms. The organism also has
cilia that it uses to move through
water. Which kingdom should
this organism be classified?
a. Animal
b. Eubacteria
c. Plant
d. Protist

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).