i am going to take a stab at this
They require energy to live
Answer:
The skin is an organ of protection
Explanation:
The primary function of the skin is to act as a barrier. The skin provides protection from: mechanical impacts and pressure, variations in temperature, micro-organisms, radiation and chemicals.
Answer:
The limiting resource within an ecosystem determines the carrying capacity (indicated in ecology by the letter, “K”), which is the maximum number of individuals in a population that a habitat can support without environmental degradation.
Explanation:
The answer is B, carbohydrates.
Carbohydrates are the first choice of the energy source of your body, they can be broken down into simple and soluble compounds such as glucose. These can be used by cells for respiration to generate energy for activities such as growth, movement, repair etc. Besides using for respiration, they are also capable of forming cell structures such as cellulose.
I thought their were only 3, lift, drag, weight
