If the egg is fertilised the embryo plants itself in the uterine lining. Without this it would not survive
A mutation in which one nucleotide is substituted for another is called a point mutation.
Answer: Lek Polygyny
Explanation:
Polygyny is a mating system inwhich one male is associated with multiple females. This mating system is found in a few birds and insects, but is most common in mammals. Polygyny is a strategy used by males to increase their reproductive fitness.
Lek polygyny is a system where male aggregate at a location and try to attract females for mating and the females leave after mating. It is believed that males attract more mate in this way than in isolation.
Respiration is the ability to break down nutrients to make energy, so the answer should be the fourth option.
Could be both , but since it’s a small sample theres a better chance of just single Celled