Answer:
Biological evolution refers to the cumulative changes that occur in a population over time. These changes are produced at the genetic level as organisms' genes mutate and/or recombine in different ways during reproduction and are passed on to future generations.
Explanation:
Answer: Water molecules bond well.
Explanation: Water hold up quite well mostly because the water molecules are attached to each other.
Answer:
Human skin pigmentation is the product of two clines produced by natural selection ... The populations exhibiting maximally depigmented skin are those ... &c., are of the nature which it might have been expected would have been ... The evolution of light pigmentation at high latitudes has long been related ...
Explanation:
• Matthias Schleiden observed that all plants were made of cells; Theodor Schwann observed that all animals were also made of cells; and Rudolf Virchow observed that cells only come from other cells.
• Prokaryotic cells- don’t contain a nucleus or any other membrane-bound organelle.
Eukaryotic cells- contain membrane-bound organelles, including a nucleus.
• Phospholipids make up the basic structure of a cell membrane and are arranged in a double layer called the lipid bilayer.
• Active Transport- moves ions from low concentration to high, using metabolic energy in the form of ATP.
Passive Transport - moves ions from high concentration to low, using no metabolic energy.
Primary consumer; they consume the plants first
