Answer:
Blood, the heart pumps oxygen-poor blood to the lungs to be oxygenated.
Explanation:
:) Merry Christmas!
Prior knowledge allows you to make a well-informed hypotheses and a better-planned experiement.
Answer:
B. tRNA molecules bring amino acids for the ribosome to link together.
Explanation:
Transfer ribonucleic acid (tRNA) is a type of RNA molecule which are responsible for the decoding of messenger RNA (mRNA) into protein. During translation, with the help of tRNA, protein in the form of amino acid is produced from a messenger RNA molecule. The tRNA recieves message of nucleic acid and formed protein according to the instructions.
17.
decreases.
it substantially increases then decreases.
18.
to the same organisms because oak leaves come from oak trees.
19.
Pyramid B
Pyramid A does not accurately represent the supply of food for the caterpillars.