Lake Èrie, U.S., is the shallowest of the Great Lakes. The shallowness allows enhanced algae and plant growth. This algae and plant growth is O a biotic factor that keeps salinity at the right levels O a biotic factor that impacts food chains and trophic levels an abiotic factor that helps keep species in check O an abiotic factor that keeps waters fairly warm

Answers

Answer 1

Answer:

Answer: A biotic factor that impacts food chains and trophic levels

Explanation: Algae is at the bottom of the food chain, but provides all the energy for each organism in the ecosystem through photosynthesis

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up to 60 of our body is made up of water. Describe the significance of water being a universal solvent in our bodies.

Answers

water dissolves more substances than any other liquid. this is important to every living thing on earth. This concludes that wherever water goes, either through the ground or through our bodies, it takes along valuable chemicals, minerals, and nutrients.

Type of tumor, usually malignant, that originates in the lymph system

Answers

you can search this up in Google it will give you the answer

Which of the following is an essential role played by large intestine bacteria?A. produce gas
B. absorb bilirubin
C. synthesize vitamin K and B-complex vitamins
D. synthesize vitamins C and D

Answers

An essential role played by large intestine bacteria is to synthesize vitamin K and B-complex vitamins.

A human skin cell contains 46 chromosomes. Afrog sperm cell contains 12 chromosomes. Which
pair of numbers shows the chromosome number of
a normal gamete from each of these species?

Answers

The human gamete cells are expected to be 23 chromosomes in number while the gamete cells of a frog will contain 12 chromosomes.

What is a gamete cell?

A gamete cell refers to a reproductive cell in an organism. We must note that the chromosomes in gamete cells are haploid. This means that they only possess half of the normal number of chromosomes.

Now, for humans, the gamete cells will contain 23 chromosomes while the gamete cells of a frog will contain 12 chromosomes.

Learn more about gamete cells:brainly.com/question/9904853?

Answer:

A human skin cell contains 46 chromosomes. A frog sperm cell contains 12 chromosomes. Which pair of numbers shows the chromosome number of a normal gamete from each of these species

Human 23; frog 12

Explanation:

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Gregor Mendel crossed homozygous tall plants (TT) with homozygous short plants (tt). All the resulting offspring were tall. From these results, what conclusion did Mendel draw?

Answers

We are given with 2 genes homozygous tall plants (TT) with homozygous short plants (tt). The ensuing offspring are tall, which implies the dominant attribute is tallness. this can be true since the chance of various height like all are short or some are tall and short could also be doable. answer is a

allele for tall plant height was dominant

Explanation:

Gregor Johann Mendel, called the "father of recent biology," was born in European country in 1822. His experiments showed that the inheritance of bound traits in pea plants follows explicit patterns, later turning into the inspiration of recent biology and resulting in the study of heredity.

The conclusion he drew was that the allele for tall plant height was dominant to that of short plant height.

Sodium has one electron in its outer energy level. According to the octet rule, _____.

Answers

A sodium atom has a single electron in its outermost electron shell, the first and second shells again being full with two and eight electrons respectively. To remove this outer electron requires only the first ionization energy, which is +495.8 kJ per mole of sodium atoms, a small amount of energy. By contrast, the second electron resides in the deeper second electron shell, and the second ionization energy required for its removal is much larger: +4562.4 kJ per mole. Thus sodium will, in most cases, form a compound in which it has lost a single electron and have a full outer shell of eight electrons, or octet.

Answer : According to the octet rule, sodium wants to lose an electron.

Explanation :

The given element is sodium with atomic number 11 that means it has 11 electrons.

The electronic configuration of sodium will be,

$1s^22s^22p^63s^1$

From the electronic configuration, we see that one electron of sodium present in its outer energy level. Sodium can be lose one electron easily for the stable electronic configuration.

According to the octet rule, sodium has the tendency to lose one electron and form positive ion with the charge (+1).

Hence, according to the octet rule, sodium wants to lose an electron.

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