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frez [133]
3 years ago
15

What are some of your body's external defenses against pathogens?

Biology
2 answers:
Goryan [66]3 years ago
7 0
Skin, hairs, mucous membranes
FrozenT [24]3 years ago
6 0
<span>Skin, mucous membranes, sloughing of dead skin, tears (lysosymes/flow of fluid), sweat, normal microbial flora of skin Hope this is helpful and the BRAINLIEST answer!</span>
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Using the following biomass data determine which groups is most likely to represent the producers in an area
Vsevolod [243]

Answer:

The correct answer would be group D- 809 kg.

It can be explained with the help of pyramid of biomass.

Pyramid of biomass represents biomass or the amount of organic or living matter present at each trophic level in an ecosystem.

The amount of organic matter is usually expressed in grams per meter square (g/m²).

There are usually four trophic levels in the pyramid of biomass: primary producers, primary consumers, secondary consumers, and tertiary consumers.

Usually, the biomass decreases as we go up the trophical levels specially in  terrestrial ecosystem. Inverted pyramid can be observed in case of aquatic ecosystem (biomass of phytoplanktons is less than that of herbivores).

Here, maximum biomass (809 kg) belongs to the group D and hence, it would belong to primary producers.

5 0
2 years ago
Many people believe that vitamins and minerals are essentially the same type of nutrient but they are not: one is an organic mol
Minchanka [31]

Answer:

The correct statements are listed below.

Explanation:

Vitamins are organic and minerals are inorganic.

Organic compounds comes from living things.Vitamins generally exist as organic compounds for example all the vitamin such as vitamin A, Thiamine,riboflavin,biotin,pyridoxin,vitamin c,vitamin E, vitamin K exist as organic compounds.

On the other hand minerals are found in inorganic form for example nitrogen is found as nitrate and nitrite,phosphorus is found as phosphate group,phosphoric acid.

3 0
2 years ago
In most sexually reproducing organisms, the diploid phase of the life cycle begins at
valkas [14]

The diploid phase of the life cycle begins with the formation of the zygote.

Meiosis is referred to the type of cell division which occurs in the production

of male and female sex cells. This also occurs during sexual reproduction.

Parent cells provide male and sex cells such as sperm and egg which

contains DNA. They then fuse together to form a zygote which is the diploid

phase as a result of the fusion of two haploid cells. The zygote then

continues to undergo some meiotic processes which reduces it to back to a

haploid cell and consequent growth to form a fetus.

Read more on brainly.com/question/16249478

4 0
2 years ago
Macrophages digest the invading bacteria and viruses with the digestive enzymes found in cellular organelles called
Nataly_w [17]
Lysozyme which is found in the lysosomes. They function at a relatively low pH and are so because if they functioned at physiological pH they would digest the cell. But in this case, they are in the lysosomes where they are safe and at a lower pH so when the vesicles open they can emit hydrogen ions and the lysozyme to digest the foreign material.
6 0
3 years ago
Do terrestrial dicot and monocot roots have root caps?
aksik [14]

Answer:

Yes The cap is present on all roots except those of parasites and in mycorrhizal roots .The roots of aquatic plants have vestigial caps when young but the initial soon die and the cap disappear. The calyptrogen initiate root cap in monocots. In the dicots the cap appears to be a specialized development of the epidermis. In Monocots the cap has attained independent origin.

6 0
2 years ago
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