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Morgarella [4.7K]
3 years ago
5

A. what is a positively charged ion; an atom which has lost an electron

Biology
1 answer:
a_sh-v [17]3 years ago
7 0
A positively charged ion is called cation.
A negatively charged ion is called anion.
A salt is formed by the ionic bonding of a cation and an anion.
pH is a measure of the hydrogen ion concentration in a solution.
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Which correctly describes the set of clades that
fiasKO [112]

Complete question:

Which correctly describes the set of clades that contain the arthropods, from largest to smallest?

  1. Archaea: Eukaryotes: Opisthokonts: Animals: Protostomes Ecdysozoa: Arthropods
  2. Eukaryotes: Opisthokonts: Nuclearia: Animals: Protostomes Ecdysozoa: Arthropods
  3. Eukaryotes: Opisthokonts: Animals: Deuterostomes Ecdysozoa: Arthropods
  4. Eukaryotes: Opisthokonts: Animals: Protostomes: Ecdysozoa: Arthropods

Answer:

4. Eukaryotes: Opisthokonts: Animals: Protostomes: Ecdysozoa: Arthropods

Explanation:

Taxonomy is the study of different organisms, their classification into categories according to their morphological and molecular characteristics and their evolutionary relationships, and assigning to each them a binomial name.  

  • The eukarya domain is composed of all the unicellular or pluricellular organisms that have eukaryotic cells that characterize by having a well-defined nucleus surrounded by a complex biological membrane. They also present organelles delimitated by membranes. These organisms reproduce asexually and sexually.  
  • Animalia Kingdom: Includes different phyla closely relates.
  • The embryonary development of bilateral coelom animals makes a place for the division of two groups: protostomes and deuterostomes. Among protostomes might be mentioned the flatworms, annelids, mollusks, and arthropods. Protostomes show spiral initial segmentation, and the mouth develops as a first opening near the blastopore.  
  • Ecdysozoan Superphylum: Their bodies are covered by a cuticle that provides protection. They have a complete digestive system. They might reproduce sexually and asexually.
  • Phylum Arthropoda: Invertebrates characterized for having an exoskeleton, a segmented body, and articulated appendixes. A very diverse group with many different characteristics.
5 0
3 years ago
What do ovaries contain?<br><br> Need answer ASAP please and thank you!!
irakobra [83]
The ovaries contain the female gamete cell, called the oocytes. In non medical terms, the oocyte is called the “egg”. The ovaries are filled with follicles. Follicles are fluid-filled structures in which the oocyte (also called egg) grows to maturity.
6 0
4 years ago
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Name of area below the chest containing vital organs
vovikov84 [41]
It would be the kidneys, small and large intestine
3 0
4 years ago
if an owl makes one pellet a day how many mice,voles,rats,or birds must it catch in one week ,month,or year
Leona [35]

Answer:

\large \boxed{\text{32 small animals/wk, 136/mo, and 1640/yr}}

Explanation:

The pellets from a barn owl often contain the remains of 4 or 5 small animals. Let's assume an average of 4.5 animals per day.

1. Animals per week

\text{Per week} =\dfrac{\text{1 pellet}}{\text{1 da}} \times \dfrac{\text{4.5 animals}}{\text{1 pellet }} \times \dfrac{\text{7 da}}{\text{1 wk}} = \textbf{32 animals/wk}

2. Animals per year

\text{Per year} = \dfrac{\text{32 animals}}{\text{1 year}} \times \dfrac{\text{52 wk}}{\text{1 yr}} =\textbf{1640 animals/yr}

3. Animals per month

\text{Per year} = \dfrac{\text{1640 animals}}{\text{1 year}} \times \dfrac{\text{1 yr wk}}{\text{12 mo}} = \textbf{136 animals/mo}\\\\\text{A barn owl eats $\large \boxed{\textbf{36 small animals/wk, 136/mo, and 1640/yr}}$}

7 0
3 years ago
How do absorbed food molecules travel to the rest of the body?
Veseljchak [2.6K]
The molecules are absorbed by the small intestines, then start to the circulatory system which then transports the molecules throughout the body.
7 0
3 years ago
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