Why is there a natural limit to human population growth?
a. humans cannot impact limiting factors, so population growth must be limited.
b. human population growth is limited solely by human activity, such as war.
c. humans can reduce the effect of certain limiting factors in the short term, but in the long term resource limitations will impact human population growth.
d. there is a natural limit to population growth, because human reproduction occurs at a very slow rate.

Which of the following is not a defining characteristic of plants?

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.