Answer: Geologic time is divided into units. Major changes in the earth's surface or climate and the extinction of species help to divide the time scale into smaller units.
Explanation: Rocks grouped within each unit contain a similar fossil record.
Answer: Base pairs occur when nitrogenous bases make hydrogen bonds with each other.
Explanation: Each base has a specific partner: guanine with cytosine, adenine with thymine (in DNA), The hydrogen bonds are weak allowing it to "unzip"
Sociologists argue that the division of the human population into two distinctive and mutually exclusive categories, male and female, is best understood as a biological fact.
The division into these two major categories as male or female is mainly due to the biological and the physiological characteristics produced in both male and female.
Although in some cases, it may be argued that they are not mutually exclusive as there are some who have both.
Nevertheless, the above mentioned characteristics are just used to differentiate between a male and a female in humans and as well an individual self-concept of being a male or a female.
brainly.com/question/16822228
The answer is pancreas and intestinal gland. The pancreas mainly secrete amylase, to digest carbohydrates, lipase, to digest fat, and protease, to digest protein. And the intestinal gland mainly secrete carbohydrase, to digest Maltose to glucose, and protease.
The development of the Nervous system is particularly
dependent on adequate consumption of fat during the toddler years, for proper
growth and development, toddlers should consume 30-40 percent of their total
daily energy intake as fat. DHA is Fatty
acids that is critical to fetal brain and eye development.
