Healthy ecosystems depend on plant and animal species as their foundations. When a species becomes endangered, it is a sign that the ecosystem is slowly falling apart. Each species that is lost triggers the loss of other species within its ecosystem. Humans depend on healthy ecosystems to purify our environment.
1)Conserve energy - at home, at work, everywhere.
2)Look for the ENERGY STAR label when buying home or office equipment.
3)Carpool, use public transportation, bike, or walk whenever possible.
4)Follow gasoline refueling instructions for efficient vapor recovery, being careful not to spill fuel and always tightening your gas cap securely.
5)Consider purchasing portable gasoline containers labeled “spill-proof,” where available.
6)Keep car, boat, and other engines properly tuned.
7)Be sure your tires are properly inflated.
8)Use environmentally safe paints and cleaning products whenever possible.
9)Mulch or compost leaves and yard waste.
10)Consider using gas logs instead of wood.
Answer:
HUMAN BEINGS AND OTHER ANIMALS EXCEPT PLANTS ARE HETEROTROPHS
Explanation:
HETEROTROPHS ARE ORGANISMS THAT CAN NOT MAKE THEIR OWN FOOD
E.G Human beings and other animals
Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration
Answer:
Four
Explanation:
Like all proteins, the "blueprint" for hemoglobin exists in DNA.
