Cell definition: the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
Cytology definition: the study of cells as fundamental units of living things.
Variations can be genetic or environmental, the traits are passed from one generation to other generation of snail is from from both parents to offspring and through the environment.
The correct answer is C.
Explanation:
Genetic variation in an organism is passed to the offspring by its parents.
environmental variation is the the result of different environment with which individual adapt.
Natural selection is a process in which a suitable trait which is well adapted to the environment is passed on tho future generations.
Genetic variation is the change in DNA or gene of the individual trait. The tree snails having different pattern in their shells is due to the habitat they are living in.
The snails which have well adapted to the environment are able to reproduce and pass on the traits to their progeny. The variation is due to the traits passed from parents through the environment also.
Sweat glands. :)
Perspiration leaves the body through the sweat glands.
Answer:
Beginning the age of European exploration
Explanation:
The answers are shown below:
In part A:
coefficient = 20
variable = c
constant = 35 & 23.50
In part B:
savings = 20 (3) +23.5+ 35+35+35 +35 +35 +35+35+35+35+35+35+35
savings = $ 503.5
In part C:
the new expression will be: 25c + 35 + 23.5