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AnnyKZ [126]
3 years ago
10

1. What is the difference between primary waves (P-waves) and secondary waves (S-waves)?

Biology
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer:

Explanation:

Primary waves travel faster, move in a push-pull pattern, travel through solids, liquids and gases, and cause less damage due to their smaller size. Secondary waves travel slower, move in an up-and-down pattern, travel only through solids, and cause more damage due to their greater size.

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Beyond their role in energy transfer, what other benefit do microorganisms that act as producers provide for ecosystems?
insens350 [35]

Answer:

The microorganisms present metabolic wastes that serve as the primary source of food for other living things.

Bacteria that live free in the soil or in symbiosis with plants are essential to fix nitrogen, both nitrates and ammonia. These bacteria take nitrogen directly from the air, originating compounds that can be incorporated into the composition of the soil or living beings.

This property is restricted only to prokaryotes and is widely distributed among different groups of bacteria and some archaeobacteria. It is a process that consumes a lot of energy that occurs with the mediation of the enzyme nitrogenase, which the rest of the living organisms that cannot do or comply with this process is because they lack said enzyme.

Dunaliella is a genus of microscopic algae of the Chlorophyceae class and of the order Volvocales. All are unicellular, although with very varied morphologies.

Morphologically, its main characteristic is that they lack a rigid polysaccharide cell wall.

The ecology of this genus of green algae is characterized by its high tolerance to salinity, with eukaryotic organisms having greater tolerance to salt. They are euryhaline, adapted to salt concentrations from 50 mM NaCl to almost 5.5 M NaCl.

Explanation:

By nitrogen fixation is meant the combination of molecular nitrogen or dinitrogen with oxygen or hydrogen to give oxides or ammonia that can be incorporated into the biosphere. Molecular nitrogen, which is the majority component of the atmosphere, is inert and not directly usable by most living things. Nitrogen fixation can occur abiotic (without the intervention of living beings) or by the action of microorganisms (biological nitrogen fixation). Fixation in general involves the incorporation into the biosphere of a significant amount of nitrogen, which globally can reach about 250 million tons per year, of which 150 correspond to biological fixation.

6 0
3 years ago
Which is a feature of a flatworm? radial symmetry round bodies thin bodies body segments
Naily [24]

Answer:

Thin bodies.. The keyword is flatworm.

Explanation:

Hope this helps!

6 0
3 years ago
The phenotype frequency in a population, changes after each generation. which would most likely be causing this?
lora16 [44]

Answer:

D) Competition between organisms

Explanation:

Random mating between organisms, absence of any factor of evolution (mutation, recombination, gene flow, migration etc.) and a large population size serve to maintain the allele frequency and thereby the phenotype frequency over generations. However, competition between organisms for any natural resource leads to natural selection of "better competing organisms" and increases their phenotype frequency in the population.

8 0
3 years ago
Read 2 more answers
À Which of the following is used in making cheese and yogurt?
nydimaria [60]

Answer:

Bacteria

Explanation:

Bacteria such as Streptococcus thermophilus and Lactobacillus bulgaricus help curdle the milk which makes them into the cheese and yogurt we eat today.

I hope this helps! :)

8 0
3 years ago
Read 2 more answers
What are the basic building blocks of DNA and RNA
stiks02 [169]

Answer:

A nucleotide is the basic building block of nucleic acids.

Explanation:

RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.

Hope this helps even though it was yesterday :)

8 0
3 years ago
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