Answer:
Among vertebrates, external fertilization is most common in amphibians and fish. Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes. Benthic marine plants also use external fertilization to reproduce.
= Fish
Explanation:
Before your food passes from the mouth and down your esophagus, salivary amylase, an enzyme in saliva, begins to digest the starch in your bread. That is the start of chemical digestion. ... The passage of the bolus through the esophagus to the stomach occurs by peristalsis, a series of wave-like muscle contractions.
A healthy ecosystem can be described as Resilient (b)
A commonly cited broad definition states that a healthy ecosystem has three attributes:
1)productivity
2)resilience, and.
3)organization
Answer:
That our actions don't affect just us. Our actions can affect others around us and then those people around them and so on, thus, "The Butterfly Affect".
Explanation:
