Million of bacteria grow in our gut and each have their own set of genes , that helps them to survive acidic environment of the gut. They can have both beneficial and harmful effect to your health.
While the bacteria in lungs causes symptoms similar to the cold or flu, it can be more severe and typically last longer. Immune system will typically be able to clear a viral lung infection over time. Infections can be cured by using antibiotics also .
On the other hand bacteria on skin can survive up to 20 minutes .Human skin also act as barrier that limits invasion and growth of pathogenic bacteria. Human body has a lot of defenses to keep the bad bacteria from coming in too far through these openings.
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Answer:
B
Explanation:
Amniotes develope a fluid filled sac within a shell or uterus
False
Muscles are only able to contract or relax. This is why they need complementary muscles. For example, the bicep can raise the forearm, but cannot lower it. For that, the tricep is needed.
Fungi are more related to animals than plants because they are not photosynthetic. They can be harmful because they do not respond to traditional antibiotic but they are also commercially beneficial especially in the food industry that uses yeast like baking, brewing and cheese and wine making. The pileus is the term given to the cap-like structure of the fungi. It supports the spore-bearing surface which is the hymenium which consists of lamellae, tube or teeth on the underside of the pileus. Annulus is the ring-like structure found in the stipes of some species of mushroom and is a remnant of the partial veil. Stipe is the stem or stalk of the mushroom that supports the cap of the mushroom. Volva is the caplike structure found at the base of the fungi which is a remnant of the universal veil. Hypha is the long, branching, filamentous structure of a fungus that is the main mode of vegetative growth. Each fungus has a vast number of these hyphae which are intertwined to make a tangled web called mycelium. Through mycelium, fungus absorb nutrients from its environment.