A person who's resting heart rate is 55 and after exercise, his heart rate is 160, is said to have a well developed heart muscle. Why is this so?

6. What role does gravity play in the water cycle?

Multiple select The common elements of all plants and living organisms are: nitrogen hydrogen sodium carbon oxygen

What is meant by carriers of diseases? write any two examples

The purpose of Replication is:

Excited about the fungus chemical's promise for treating cancer, you write up your experimental results and send the paper to a prestigious scientific journal, hoping it will be published.

Which answer choice below BEST explains the difference between genotype and henotype? a) Ff is an example of a phenotype. White fur would be the genotype. b) Genotype can be represented by 1 allele.

Describe artificial selection, genetic engineering, and cloning.

Madison is looking st a cell under a microscope the organism had only one cell, and it has a nucleus and a memberane bound organelles. it has no cell wall and uses flagella for movement. in which kingdom should this organism be classified

When there is a well-established segment of heterochromatin on an interphase chromosome, there is usually a special barrier sequence that prevents the heterochromatin from expanding along the entire chromosome.

What does the theory of evolution tell us about living things? Group of answer choices The environment can make them change rapidly over a short period of time. They create fossils when they die. Their environment makes them change slowly over time.