What was one of the ways that people of ancient times classified plants and animals?

Answers

Answer 1
Answer: the answer is: by use

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According to the cladogram which groups of plants would have vascular tissue

Answers

The node in a cladogram represents the formation of a new species. The formation of a new species is termed as a speciation event.The node in  cladogram  indicates the point at which a splitting event,  or formation of a new species occurred.The line between two nodes is called the internode. It represents at least one hypothetical ancestor.A cladogram is a tree shaped diagram that is used to illustrate evolutionary relationships among species by analyzing some similarities or differences in physical features and other kinds of characters in the organisms. 

 The goal of a cladogram is to show relationships and evolutionary descent between species.

As many researchers hypothesize that the old single-celled organism or the origin of the complex-celled organisms came from the endosymbiosis of the mitochrondrion organism and the prokaryotic cell. It has been said that mitochondria was an independent organism which then to have been evovled itself after planting itself inside a prokaryotic cell which aided cellular respiration and production of ATP (Adenosine Triphosphate). This then aided the prokaryotic cell to be more sophisticated and caused another change from having without a true nucleus to a eukaryotic cell with a nucleus and embedded DNA. 

Answer:

ferns

Explanation:

Animal behavior is based on satisfying physiological needs.
Is the question True Or False

Answers

True, animal behavior is based on satisfying physiological needs.

. If a child has two genes for blonde hair (one from each parent), his genotype is said to be A. dominant.
B. homozygous.
C. recessive.
D. heterozygous

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If a child has two genes for blonde hair (one from each parent), his genotype is said to be B. homozygous. Each gene in an individual has two alleles (different forms of the gene). If both alleles are the same, the genotype is said to be homozygous. If alleles are different, then the genotype is said to be heterozygous.

Describe a global warming

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Answer:Global warming is the long-term heating of Earth's surface observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.

Explanation:

Which four body systems interact to allow a person to sneeze? A) Muscular, immune, nervous, respiratory B) Nervous, respiratory, circulatory, skeletal C) Respiratory, endocrine, skeletal, circulatory D) Lymphatic, skeletal, respiratory, muscular

Answers

The four body systems that interact to allow a person to sneeze are the muscular system, immune system, nervous system, respiratory system (Option A).

  • Sneezing can be defined as an involuntary expulsion of air that helps to remove irritant particles from the nose and/or throat.

  • In the first place, the brain (i.e., the nervous system), when the respiratory epithelium (i.e., the respiratory system) is irritated, the endings of the cranial nerve sends a signal message to the brain to induce a sneeze reflex.

  • The muscles involved in sneezing include the chest muscles, abdominal muscles, diaphragm, and muscles that control vocal cords.

  • Sneezing is a fundamental immune response aimed at clearing the respiratory system of harmful pathogenic microorganisms (e.g. bacteria) and viruses.

In conclusion, the body systems that interact to allow a person to sneeze are the muscular system, immune system, nervous system, respiratory system (Option A is correct).

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Answer:

A

Explanation:

Muscular, immune, nervous and respiratory systems are involved in the process of sneezing. Sneezing is the natural defense mechanism of the human body. When any foreign particle enters the respiratory system then it irritates the respiratory epithelium and sends a signal to the brain through the 5th trigeminal nerve and sneezing reflex starts which involved skeleton muscles and respiratory system.

What other autoimmune diseases is pernicious anemia associated with?

Answers

Pernicious anemia is an autoimmune disease that primarily affects the absorption of vitamin B12 in the stomach. While pernicious anemia itself is not directly associated with other autoimmune diseases, individuals with autoimmune conditions may have an increased risk of developing multiple autoimmune diseases simultaneously.

Some autoimmune diseases that individuals with pernicious anemia might be at a higher risk of developing as part of APS or due to shared autoimmune mechanisms include:

Autoimmune Thyroid Diseases:

These include conditions like Hashimoto's thyroiditis and Graves' disease.

Type 1 Diabetes:

An autoimmune form of diabetes.

Addison's Disease:

An autoimmune condition affecting the adrenal glands.

Vitiligo:

An autoimmune disorder causing depigmentation of the skin.

Celiac Disease:

An autoimmune disorder triggered by the ingestion of gluten.

Rheumatoid Arthritis:

An autoimmune disease that primarily affects the joints.