Which statements are advantages of multicellular organisms? Select all that apply.

They have specialized levels of organization, such as tissues, that carry out specific functions.
Their individual cells can function on their own if separated from the organism.
Their cells can coordinate their activities to perform complex activities.
Their cells can come together to form larger structures.

the answer to your question is sperm

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

the correct answer in apex is tissue development, i know because i just had this question

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.