There can be a lot of factors that express sexuality. The origin would be its genes. The genetic make-up of the person what trait has passed on to an individual from his parents. Another factor is the environment. A person's sexuality can be influenced by social groups, home environment and from the media that he/she looks at.
1. Neutrons 2. Energy, nucleus 3. Energy
Answer:
Competition happens because resources are limited. Explanation: When resources are limited in an ecosystem, the species compete with each other to come out as best among all. ... By fittest he means the ones who are capable to compete and come out as the strongest among all to survive in a given ecosystem.
Explanation:
Can I have brainlyiest?
Vascular systems are important to transport materials throughout the organism.
Answer:
Urinary system /Renal/urinary tract maintain fluid and electrolyte balance, purify blood and excrete liquid waste (urine)
Integumentary system exterior protection of body and thermal regulation
Skeletal system structural support and protection, production of blood cells
Hope this helps there is 3 of them