Answer:
The scientific method is a process for experimentation that is used to explore observations and answer questions.
The second stage of prenatal development begins at about two weeks after conception. at this point, the growing bundle of cells is called an embryo.
It’s the remains of a dead organism
Answer:
food chain- description 3
energy losses- description 5
pyramid of biomass- description 1
pyramid of numbers- description 4
energy flow- description 2
