Digitalis cariensis is a foxglove species which has been intensively studied for its medicinal and economical values because it contains cardiac glycosides, which regulate heart rhythm and can be used to treat myocardial infarction, angina, cardiac dysfunction, hypertrophy, arterial hypertension, and increase the force of systolic contractions. (true/false)

True

Explanation:

Digitalis canariensis is a genus of the DIgitalis. It is commonly called as canary island foxglove. The members of this species are shrubby, evergreen plants. These can grow up to the length of 150 cm tall. The leaves of the plant are arranged in a rosette.

It is known for the treatment of heart diseases, establishment of stable heart rhythm. It can increase the flow of blood flow throughout the body helpful in treatment of angina, arterial and other heart and circulatory system dysfunction.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.