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GaryK [48]
3 years ago
15

Helpppp pleaseee :)

Biology
2 answers:
Diano4ka-milaya [45]3 years ago
7 0
The correct answer is animal waste and fertilizers
dybincka [34]3 years ago
5 0

Answer: A pond near a city park is found to be contaminated with both bacteria and excess nitrogen. The bacteria most likely came from <u>animal waste,</u>and the excess nitrogen likely came from <u>fertilizers</u>.

The bacteria will be most likely to come from animal waste as numerous bacteria lives in the intestine and stomach of these animals, which facilitate the digestion of food, these bacteria come along the animal feces after digestion. Also, there are bacteria which degrade the animal feces. Bacteria may also degrade and may be present on other animal wastes like left out skin, tissues, hair, fur. Nitrogen is the chief constituent of fertilizers. Nitrogen increases the fertility of soil and it can be a potent pollutant for a water body.          

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Luther burbank was a plant breeder who developed a strain of potato plant that produced more tubers (the part of the root that p
Radda [10]
<span>I belive the answer is D. Burbank's process did not involve environmental pressures to shape the outcome. 

Burbank process is similar to natural selection because he will select the potato based on some traits. The trait would be big potato and resistant to disease. The genetic makeup will also favor those with the selected trait. This process should be faster.</span>
8 0
3 years ago
Homeostasious what is it and what does it mean
Harman [31]
Bodily functions that help keep it stable. Like sweating when your are hot keeps your body at a cooler temperature rather then burning up. 
4 0
3 years ago
Read 2 more answers
Which digestive processes occur first? *
fiasKO [112]
Mechanical digestion so breaking down of the food in your mouth. Hope this help :)
4 0
3 years ago
Read 2 more answers
Drag each tile to the correct location. Depending on the type of reproduction, offspring can be genetically identical, a clone o
just olya [345]

Answer:

1. fragmentation- genetically identical

2. budding- genetically identical

3. haploid cells from two different mycelia fuse to form a zygote- genetically distinct

4. one hyphae creates spores through mitosis- genetically identical

Explanation:

1) Fragmentation is a form of asexual reproduction i.e. one parent, employed by certain organisms including fungi in which a FRAGMENT breaks off from the single parent to produce new cells. Since it is an asexual reproduction, the resulting cells will be GENETICALLY IDENTICAL.

2) Budding is another form of asexual reproduction that fungi undergoes e.g yeast. In the budding process, buds develop on the parent cell and later grow into mature cells that are GENETICALLY IDENTICAL to the parent cell.

3) In fungi, two different mycelia can produce haploid sex cells via the process of meiosis, which then fuse to produce a ZYGOTE. This method is a sexual means of reproduction. Hence, the zygote formed will be GENETICALLY DISTINCT from the parent.

4) Hyphae (threadlike filaments) of a fungi can via MITOTIC DIVISION produce spores, which then germinates under favorable conditions and grows into a new fungus. This new fungus cell is GENETICALLY IDENTICAL to the parent hyphae.

6 0
3 years ago
After cooking the hot dogs, your friend's mom reminds you not to leave the grill out, or the iron (Fe) in the grill will react w
sammy [17]

Answer:

Explanation:

Oxygen gas and water must be present for iron to rust.

A region of the metal’s surface serves as the anode, where oxidation

occurs:

Fe(s) → Fe²⁺ (aq) + 2 e⁻

The electrons given up by iron reduce atmospheric oxygen to water at the cathode, which is another region of the same metal’s surface:

O₂ (g) + 4H⁺ (aq) + 4 e⁻ → 2 H₂O (l)

The overall redox reaction is:

2 Fe(s) + O₂(g) → 4H⁺(aq) + 2Fe²⁺ (aq) + 2 H₂O(l)

The Fe²⁺ ions formed at the anode are further oxidized by oxygen:

4 Fe²⁺ (aq) + O₂(g) 1 (4 + 2x) H₂O (l) → 2 Fe₂O₃ . xH₂O(s) + 8 H⁺(aq)

This hydrated form of iron(III) oxide is known as rust. The amount of water associated with the iron oxide varies, so we represent the formula as 2 Fe₂O₃ . xH₂O.

8 0
3 years ago
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