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hram777 [196]
2 years ago
10

What did London build in the 19th century in response to a deadly cholera outbreak traced back to a contaminated water pump?

Biology
1 answer:
Sergeeva-Olga [200]2 years ago
4 0

Answer:

all of the above

Explanation:

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Who was the first to recognize the role of the environment as a significant factor in evolutionary change?
faust18 [17]

Answer:

Option A, Jean-Baptiste Lamarck

Explanation:

Options

a. Jean-Baptiste Lamarck

b. Georges Cuvier

c. Thomas Malthus

d. Charles Darwin

e. Charles Lyell

Solution

The second law of Lamarck stated that all living organism eventually adapt to the environment in which they live. However, such adaptations are continuous thereby leading to evolution of species gradually over a long period of time. Lamarck published his theory of evolution in 1801, while Darwin published his book on “origin of species in 1859.  

The result predicted by Lamarck regarding impact of environment on evolution was further supported by Darwin, and future scientist.  

Hence, option A is correct

3 0
3 years ago
In a field of sunflower plants, 776 plants are tall and 224 plants are short. Sunflower height follows the normal pattern of inh
Nitella [24]

Answer:

The correct answer would be D) tt.

Recessive traits need a homozygous condition to get expressed and to produce a particular phenotype. In contrast, dominant trait can be expressed  in homozygous as well as heterozygous condition of the alleles of a gene.

Now, shortness is a recessive trait encoded by allele "t". Hence, allele "t" must be present in the homozygous condition in order to make the plant short.

Thus, the genotype of all the short plants in the field should be tt and the genotype of the tall plants would be TT or Tt.

4 0
2 years ago
Read 2 more answers
A formula-fed baby is more likely to ________ than a breastfed baby. get more iron have more allergies visit the doctor less hav
Reptile [31]
The answer is Have more allergies.
The type of nutrient intake that babies have in early development would affect the stability of gut<span> microbiomes that exist in their body.
Breastfeed babies tend to have more microbiomes that help them fight of foreign objects that come inside their system, and prevent allergies.</span>
5 0
2 years ago
In ________and ________ no energy is used. Which one needs a helper to get things across?__________
MissTica
In DIFFUSION AND FACILITATED DIFFUSION no energy is used. The one that needs a helper to get thing across is FACILITATED DIFFUSION.<span> Facilitated diffusion involves the diffusion of materials across the cell plasma membrane with the aid of membrane proteins such as carriers and channels. The process of diffusion does not need a carrier, the molecules to be transported just move on their own from the area of high concentration to the region of low concentration until the concentration in the space become uniform.</span>
8 0
2 years ago
Choose all that explain why carbon is so important to life.
elena-s [515]

Answer:

A, C and D

Explanation:

It creates no ionic bonds because it would need certain changes to it.

Im not so sure about E because the configurations are very similar.

And A seems to make sense because its essential to life itself.

4 0
3 years ago
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