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polet [3.4K]
4 years ago
13

Which of the following combinations correctly matches a phylum to its description?

Biology
1 answer:
olya-2409 [2.1K]4 years ago
6 0

Answer:

Echinodermata – bilateral symmetry as a larva, water vascular system

Explanation:

Echinodermata are marine animals that include groups such as sea stars, sea urchins, sand dollars, sea cucumbers, and sea lilies. As adults they have radial symmetry, usually five point radial symmetry. One of their unique characteristic is water vascular system which consists of a network of fluid-filled canals involved in gas exchange, feeding, sensory reception and locomotion. Their digestive and nervous systems are very simple.

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Which process could occur in maple trees to decrease the chromosome number in pollen cells from 52 down to 26?
andrew11 [14]

Answer:

Meiosis

Explanation:

In a process of meiosis a sing cell divides twice to produce four daughter cells which contains half the amount of. genetic information These cells are sex cells. These four daughter cells consists of half the number of chromosomes of the parent so they are haploid. This is the reason in maple tree the chromosome decreased from 52 to 26.

4 0
3 years ago
The ability to fuse one's identity with that of another without fear of losing it characterizes what erikson called
liq [111]

Solution:

The ability to fuse one's identity with that of another without fear of losing it characterizes what erikson called the psychosexual.

Thus this the required answer.

8 0
3 years ago
Which cell type would contain the code (genes) for the most proteins for any given organism?
SVEN [57.7K]

How do genes direct the production of proteins?: MedlinePlus Genetics

y/gene-expression-and-regulation/regulation-of-gene-expression-and-cell-specialization/a/overview-of-eukaryotic-gene-regulation

Overview: Eukaryotic gene regulation (article) | Khan Academy

3 0
3 years ago
Mendel's results demonstrated that diploid organisms have phenotypes, whereas haploid organisms have genotypes. phenotype is ind
kenny6666 [7]

Answer:

genotype is responsible for establishing phenotype

Explanation:

When Mendel experimented with pea plants, concept of genes and alleles had not come up yet. Through his experiments Mendel first proved that some type of combination in cells leads to a particular phenotype.

He coined the term "factors" which are today known as alleles. These factors paired up and displayed a particular phenotype. Today we know that the alleles are responsible for a genotype which ultimately results in a phenotype. Hence, he established that genotype is responsible for establishing phenotype even before the term genotype was coined.  

6 0
3 years ago
1. Describe the main pathways of the water cycle, including
alukav5142 [94]

Answer:

Enjoy your free answer

Explanation:

Liquid water evaporates or the process of transpiration, forming water vapour that moves through the atmosphere, then comes down as precipitation, either enters the soil or transfers onto the lakes, rivers, oceans, etc.

Enjoy!

5 0
3 years ago
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