Answer: 4
Explanation:
It is composed of a cell, but does not have
tissues.
Semipermeable means the cell membrane can pick and choose what goes out of it and into it. At least, that's what I believe it is.
Answer:
The population first grows, stabilizes, and then declines.
Explanation:
A researcher is studying a population with a unique age structure. An age structured histogram he has developed over the course of several decades has undergone transformations in shape, from a pyramid shape to a roughly rectangular shape to an inverted pyramid shape (where the base is narrower than the top). The population first grows, stabilizes, and then declines.
Answer:
A point mutation is a change in the base sequence of a DNA molecule.
Explanation:
Changes in the state of matter A, bubbling or fizzing B, and changes in volume F