The organ that has all of those parts is the human eye.
Waves that go up and down.. there's not pictures so explain more
It is with sperm and eggs, which are housed in spores in both species, so I’d say spores is the safest answer.
Muscle tissue is a soft tissue that composes muscles in animal bodies, and gives rise to muscles' ability to contract. This is opposed to other components or tissues in muscle such as tendons or perimysium. It is formed during embryonic development through a process known as myogenesis.