Answer:
Ecosystems are in a constant dance as their components compete, react, evolve, migrate, and form new communities. Geological upheaval, evolution, climatic cycles, fires, storms, and population dynamics see to it that Nature is always changing.
Explanation:
Answer:
An example of a communicable disease could be influenza. A communicable disease is just a disease caused by virus or bacteria that spreads from person to person.
Answer:
<h2>
<em>B I</em><em>s</em><em> </em><em>true</em></h2>
Explanation:
<h2> Hydrogen bonds locate between oxygen and hydrogen atom of different water molecules in water</h2>
Answer:
In an ecosystem, energy enters in the form of solar energy or light energy from sun. Solar energy is transformed into various other types of energies like kinetic energy, chemical energy, potential energy, etc; but it eventually leaves the ecosystem in the form of heat energy.
The average speed of a zebra is 40mph or 64km.