Answer:
1. DNA is the hereditary material in all living cells. Genes are a unit of heredity and are made up of DNA.
2. Asexual reproduction is reproduction that only requires one parent and that produces offspring that are genetically identical to their parent. Sexual reproduction involves two parents and produces offspring that are each genetically different.
<span>Science knowledge relies on experimental and observational confirmation. Where data is incomplete, new or improved data may well lead to revision of accepted science explanations. In situations where observations are fragmentary, it is normal for scientific ideas to be incomplete, but this is also where the opportunity for making advances may be the greatest.The core ideas of science have been subjected to a wide variety of confirmations and are therefore unlikely to change in the areas in which they have been tested. </span><span>Science knowledge may change due to the development of new techniques for observing investigations (including new technologies), and also through new ways of thinking or framing the questions asked.</span>
Answer:
the answer is b false
Explanation:
because i got it right on mine!
B. 245 million
from the end of Carboniferous Period to the beginning of the Triassic period
Answer:
Lung function tests (also called pulmonary function tests) include a variety of tests that check how well the lungs work. The most basic test is spirometry. This test measures the amount of air the lungs can hold. The test also measures how forcefully one can empty air from the lungs.
