Falls are the most common cause of traumatic brain injury, and falling poses an especially serious risk for older adults. When a senior sustains a traumatic brain injury in a fall, direct effects of the injury may result in long-term cognitive changes, reduced ability to function and changes in emotional health.
Asexual reproduction is by means of spores produced in sporangia borne on the hyphae. Zygomycota get their name from the production of thick-walled sexual structures called zygosporangia, which can remain dormant for long periods.
Sexual reproduction. In plants and animals, sexual reproduction is the fusion of a sperm and egg, called gametes, from two different parents to form a fertilized egg called a zygote. Gametes are produced in the male testes and female ovaries by a process called meiosis.