A climax community is a community that . a. is a stable community that no longer goes through major ecological chnages

b. has just been radically altered by a natural disaster

c. is about to experience a major change

d. is always characterized by large trees

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection