Answer:
The correct option is lamprey.
Explanation:
Lamprey is a kind of fish which lack jaws. They lack a true skeleton, but the cartilage is present in them. Due to lack of proper backbone, they look similar to snails. The lamprey reproduces by laying eggs in the water. Larvae tend to develop from these eggs. The lamprey releases its eggs only in freshwater. Only the mature lamprey live in the sea to act as a parasite and take food. For laying eggs, it travels to freshwater.
Answer:
Option A, Jean-Baptiste Lamarck
Explanation:
Options
a. Jean-Baptiste Lamarck
b. Georges Cuvier
c. Thomas Malthus
d. Charles Darwin
e. Charles Lyell
Solution
The second law of Lamarck stated that all living organism eventually adapt to the environment in which they live. However, such adaptations are continuous thereby leading to evolution of species gradually over a long period of time. Lamarck published his theory of evolution in 1801, while Darwin published his book on “origin of species in 1859.
The result predicted by Lamarck regarding impact of environment on evolution was further supported by Darwin, and future scientist.
Hence, option A is correct
I'm almost positive it's B (<span>B. It must be compacted and/or cemented</span>, but it's been along time since this subject..... Hope this helped.