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erica [24]
3 years ago
14

In which phylum do we first see tissue-level organization?

Biology
2 answers:
Sliva [168]3 years ago
4 0
Cnidarians were the first phylum that scientists saw tissue level organization in. Tissue level organization meaning cells all of one type start to function in a unified way.
statuscvo [17]3 years ago
3 0

Answer: The correct answer is- phylum- Cnidaria.

All living organisms are composed of building blocks termed as cells. Cells that perform similar functions are grouped together to form tissue.

The phylum where tissue-level of organization is seen first is Cnidaria. This phylum contains approximately 10,000 species ( such as jellyfish, sea anemones, corals).

Cnidarians have cells that are organized into two types of tissues, which occur in two layers. External tissue layer is ectoderm and inner tissue layer is endoderm.

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Which type of society has an economy primarily based on manufacturing
stiv31 [10]

Answer:

B. Industrial

Explanation:

Industrial society is the society that prospers under the name of machines and technology. In this type of society, mass production of goods and services are enabled. The use of fossil fuels help in the production of the goods. The advancements in terms of manufacturing and production. Such societies were prevalent during the Industrial revolution. It also brought urbanization and increase in the labor workers.

4 0
3 years ago
Glucose and hexanoic acid each contain six carbon atoms, but they have completely different properties. Glucose is a nutrient fo
IrinaK [193]

Answer:

functional groups

Explanation:

Functional groups are molecules with specific atoms and have their own chemical properties when attached to some other substances. Glucose is a simple sugar and has an aldehyde group (CHO) as its functional group. The presence of CHO in it makes it be present in food without any harmful impacts. On the other hand, hexanoic acid has COOH (carboxylic group) as its functional group. COOH group has a tendency to donate its protons and become ionized. It is toxic as it is reactive and tends to affect the pH of the food or solution in which it is present.

7 0
3 years ago
The enzyme telomerase solves the problem of replication at the ends of linear chromosomes by which method?
adell [148]
<h2>Answer </h2>

The method is by adding various small DNA chains such as TTAGGG, that develop a hairpin turn.

<u>Explanation </u>

The method is by adding various small DNA chains such as TTAGGG, that develop a hairpin turn. Telomerase is an RNA dependent DNA polymerase means an enzyme that can make DNA using RNA as a template. The ends of linear chromosomes called telomeres that protect genes from getting deleted as cells continue to divide. The telomerase enzyme attaches to the end of chromosome complementary bases to RNA template are added on 3 ends of the DNA strand.

3 0
3 years ago
________ is (are. not important as a stimulus in the gastric phase of gastric secretion.
Anon25 [30]
Carbohydrates are not important as a stimulus in the gastric phase of gastric secretion, whereas distension, peptides, and low acidity are.
3 0
4 years ago
A paramecium reproduces by dividing into two daughter cells. Which statement is true of the daughter cells?
tigry1 [53]
They are genetically identical to the parent cell.
4 0
3 years ago
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