Answer is<span>: cannot keep up with the constant human-caused threats</span>
Cytoplasm holds the cell organelles together.
The rules of base pairing explain the phenomenon that whatever the amount of adenine (A) in the DNA of an organism, the amount of thymine (T) is the same (Chargaff's rule). Similarly, whatever the amount of guanine (G), the amount of cytosine (C) is the same.
Cartilage, bone and fat (see connective tissues section of article)
<span>This is called, tertiary consumers</span>
