Aspecies can be characterized by which of the following common characteristics?

Multicellular: Muscle tissue seen in the human body

Eukaryotic: Have nucleus and specialized structures called organelles: nerve cells

Locomotion: Jellyfish are able to move due to medusa body form: cilia, legs

Heterotrophic: Animals must get energy sources from somewhere else (herbivore vs. carnivore)

Reproduction: Able to reproduce asexually or sexually, eggs and sperm, undignified, regeneration, splitting, etc.;

Specialization: mouth and anus seen in roundworm; homeostasis (ability to maintain internal body conditions)

Endotherm/ ectotherm: ability to regulate body temperature or they adapt to the temperature outside

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.