The waxy secretion is earwax
Answer:
3 main enviornmental problems are pollution, climate change, and deforestation
Explanation:
Mutualism is when both sides benefit. The hummingbird gets nectar and the flower is benefited because the hummingbird that has been to other flowers carry pollen on its body which spread the flower when it sucks its nectar, therefore pollinating the flower in the process.
Answer:
The correct answer is "Koch's postulates".
Explanation:
The missing options of this question are:
a) spontaneous generation
b) Koch's postulates
c) epidemiology
d) vaccination
The correct answer is option b) "Koch's postulates".
Koch's postulates propose four criteria used to establish that a pathogen is responsible for a disease. In his famous experiments, Robert Koch was able to prove that <em>Bacillus anthracis</em> is the cause of anthrax by injecting to a mouse an isolated culture from the blood of an injected sheep. The scenario established in the question is very similar to anthrax, and the scientific approach to look for the pathogen of the disease is following the principles of Koch's postulates.
Algae, just like plants, make food using their chlorophyll and chloroplasts in a process called photosynthesis. <span>Chlorophyll captures the Sun's energy and uses it to make sugars out of carbon dioxide from the air and water. The sugar is energy for the algae to continue producing sugar and growing. :)</span>