Answer:
Infectious diseases are diseases caused by living organisms like viruses and bacteria. They can be passed from person to person through body secretions, insects or other means. Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B.
Answer:
commensalism
Explanation:
Elicit from students that the shark and the remoras, the smaller fish below the shark, have a symbiotic relationship called commensalism, where the remoras benefit from holding onto the shark, but neither species is harmed.
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Answer:
The crossing is shown in the explanation below:
Explanation:
Let the dormant gene be
Oh okay I’m not sure for the first one but this is what I found in google
3. Answer :salivary glands,liver ,gall bladder.
4. Answer :the role of the large intestine is to absorb nutrients ,water and minerals from the food you take.
Answer:
Species become endangered for two main reasons: loss of habitat and loss of genetic variation. A loss of habitat can happen naturally. ... Human activity can also contribute to a loss of habitat. Development for housing, industry, and agriculture reduces the habitat of native organisms
Explanation:
