Biology examines the structure, function, growth, origin, evolution, and distribution of living things. It classifies and describes organisms, their functions, how species come into existence, and the interactions they have with each other and with the natural environment.
Answer:
Evaporation of sweat off the skin is what actually makes our skin feel cooler, rather than temperature.
Explanation:
If you are outside on a hot and humid day, you are sweating because you are hot, but the sweat does not evaporate very well. This makes you feel more hot and also makes you have that "sticky" feeling. hope this helps you :)
Answer:
Two characteristics are a notochord, and a dorsal hollow nerve cord.
Hope this helps! :D
Answer:
ok, so if an hiv is a virus that attacks the immune system, how does that affect you?
if your immune system is weak in a moment, bad bacteria can enter your blood and cause problems and weaken your immune system even more.
its really bad for a person's health, it weakens your immune system so your body has a tougher time fighting against a virus.
Answer:
C
Explanation:
Keystone species is the sea otter. Sea otters, playing a critical role in containing the urchin populations, prey on urchins and thus control the numbers of kelp grazers to maintain the forest.
Remember, keystone species is most often a top level predator in an ecosystem.
