The main difference between sexual and asexual reproduction is whether it has one or two parents. Sexual reproduction involves two parents and asexual involves one.
Another is that a large number of progenies are produced with asexual reproduction but a limited number of progenies are produced with sexual.
Due to a reduction in blood volume due to blood donation, the stroke volume will decrease. However, to compensate for this, your heart rate will increase so as to maintain your cardiac output. Cardiac output is stroke volume multiplied with heart rate.
Maintaining normal cardiac output is critical so the whole body receives enough nutrients and oxygen.
Surely if he has blood type O, one parent has to have type O also
Answer:
Cacti
Explanation:
The well know desert plant Cacti have been a very interesting speciman in terms of survival and its adaptation to its enviornment in order to succeed in the game of survival.
- In order to maintain the moisture within the plant, its leaves are in the shape of needles which can lead to less water evoporating from the plant.
- The inners of Cacti have been modified to store water for prolonged periods of time in order to survive the long periods of drought and lack of water.
- The structure and outer skin of the Cactus has been able to help them once again maintain water levels within itself as traits such as waxy and thick skin cover the entirety of the plant.
The layers include the; epidermis, dermis, subcutaneous layer, a connective tissue layer, muscle.
The epidermis is the outermost layer and is made of flat squamous cells that have a lot of keratin.
The dermis is the layer below the epidermis and is much thicker than the epidermis and mainly composed of fibroblasts. It is also filled with blood and lymph vessels, glands and sensory receptors.
The subcutaneous is composed mainly of fat cells, called adipocytes, that act as an insulator layer. The connective tissue layer below has elastin and collagen fibres that connect the skin with the muscle tissue below.
