Which of these organisms needs care from its parents after birth?

frog
turtle
mouse
snake

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?