Answer:
fleas carried the disease and there were fleas on rats and the rats hid in ships going across the oceans and then ran out when the ships arrived to their destined place. the fleas then traveled to household pets such as cats and dogs and because those pets came in contact with humans thats how humans caught it.
Explanation:
Animals that feed on herbivores can be either omnivores, animals that eat both meat and plants, or they are carnivores that feed on meat. Hope this helps
Answer:
I believe the answer is d andra hope this is right
Explanation:
Answer:
The correct answer would be active transport by proteins.
When a molecule is transported against the concentration gradient it requires cellular energy and the process is termed as active transport.
The energy is either provided by the hydrolysis of the ATP (adenosine triphosphate) in primary active transport or by the electrochemical gradient in secondary active transport
Active transport takes place with the help of integral membrane proteins or transport proteins which form carriers or channels across the membrane.
Examples may include a sodium-potassium pump, uptake of glucose in small intestine et cetera.
Answer:
The arrangement of the bones of a vertebral column start with the cervical spine. The cervical spine control the head and neck. The next section of the vertebral column is the thoracic spine which control the truck and mid back. The last vertebral column is lunar spine which is responsible for the legs.
Explanation:
