Frog's heart<span> has one ventricle, while humans have 2, hence deoxygenated blood from body mixes with the oxygenated blood coming from lungs.
Source: S</span><span>ocratic</span>
Photosynthesis because only plants can because plant cell chloroplast which provide photosynthesis which what they feed on and the food the make is glugose
Answer: A penumbral lunar eclipse occurs when the Sun, Earth, and the Moon are imperfectly aligned.
Explanation: During this occurance the Earth comes between the Sun and moon and blocks the sunlight from falling on the moon.
They code for all of the amino acids that make up the proteins for each gene.....if one gets misplaced or changed it can change the whole amino acid make up thus changing the protein make up rendering the protein ineffective or non functioning