Matter is anything that has mass. everything has matter, even the air.
Answer:
Hard
Explanation:
it is hard because these are usually hard parts of an organism including shells, bones, teeth, woody trunk, stems, and branches.
Notchochord, morphology, chordates
The right answer is It produces male and female sex cells.
Meiosis is the process of double cell division allowing the formation of gametes, or sexual cells in eukaryotic organisms. It differs from mitosis, somatic cell division, which takes place only in a time. From a diploid mother cell, we obtain four haploid daughter cells with different genetic material.
Answer:
Energy is contained within the pond ecosystem and is transferred within the system.