Which animal has a digestive system most similar to a human? 1. cow
b. jellyfish
c. octopus
d. wolf

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion