Answer:
a zygote, which is created when a male and a female gametes join…
Explanation:
The correct answer is E.coli.
Eating undercooked meat puts you at a great risk of getting food-borne diseases, which are caused by pathogen microorganisms. One of the most common food-borne diseases from under-cooked beef is E.coli. The most common symptoms of E.coli are vomiting, diarrhoea and stomach cramps.
Answer:
Includes all of the values embodied by the ecosystem, including future uses and non-use values (such as cultural, symbolic, and aesthetic values) of an ecosystem.
Explanation:
Ecosystem may be defined as the constituent of the living and non living things present in the ecosystem. The living component includes the plants, animal and microorganisms. The non living component includes the water, air and soil.
The ecosystem provides oxygen and different gases important for sustain life. The ecosystem provides the aesthetic and cultural value that are used by future as well. Ecosystem provide medicine, food, furniture, fibers, habitat for the large number of organisms.
Thus, the correct answer is option (b).

Saliva contains Salivary Amylase, which helps in breakdown of sugar.
So, correct choice is (a) Amylase.