Answer AND Explanation:
The islands had different environments, and the organisms had adaptations that enabled the organism to live in those environments. The island had been inhabited by its own kind of species found nowhere else in the world. Darwin also noticed that considerable variation exists between members of the same species. Offspring vary from their parents and between themselves.
It should be "population" but I'm not 100% sure. I hope this helps a little bit.
Answer:
Meninges
Explanation:
Meninges refer to the protective membranes that surround the brain. Dura mater is the outer most meninx which forms a tough and fibrous cover. Pia mater is the deepest meninx and represent the delicate layer of connective tissue. Present between pia mater and dura mater is the arachnoid mater. Together, dura mater, arachnoid mater and pia mater make a membranous encasement to cover the brain and protect it from any injury.
Answer:
Meiosis is a special type of cell division used by sexually-reproducing organisms to produce the gametes, such as sperm or egg cells. It involves two rounds of division that ultimately result in four cells with only one copy of each chromosome.
2 divisions
4
Asexual reproduction is a type of reproduction which does not involve the fusion of gametes or change in the number of chromosomes.
No genetic variation, all daughter cells are identical
Explanation:
Answer:
Growth rate can be calculated either from census data or from civil registration data (births and deaths) together with information on migration. Usually done every 10 years.