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GREYUIT [131]
3 years ago
9

_____ (meaning ''spiny skin'') have a water vascular system that functions in locomotion, feeding, and gas exchange.

Biology
1 answer:
n200080 [17]3 years ago
4 0

The answer is:

Echinodermata

The word echinodermata is Greek which literally means "Spiny Skin". Echinodermata is a phylum under kingdom animalia. Not all of them have spiny skins, but most of them do. Other characteristics would be their radially symmetric body. They have appendages that grow outward from the center. Examples of echinoderms would be sea stars and sea urchins.

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As we age, the decrease of which hormone is associated with the loss of muscle tissue?
kipiarov [429]

The decrease of human growth hormone is associated with the loss of muscle tissue as we age.

<h3>What is a hormone?</h3>

A hormone is a chemical messenger that is released into the bloodstream in order to carry out particular physiological functions.

The human growth hormone is a hormone required during the growth that induces cell division during specific stages of human development.

The human growth hormone is secreted by specialized cells present in the anterior pituitary gland.

The expression level of the gene encoding the human growth hormone can be used in clinical settings in order to determine the presence of abnormal growth during embryo development.

In conclusion, the decrease of human growth hormone is associated with the loss of muscle tissue as we age.

Learn more about hormones here:

brainly.com/question/4678959

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7 0
1 year ago
In algae, cyanobacteria, and plants, chlorophyll a absorbs all colors of light except for
kakasveta [241]
B. Green


Chlorophyll is found in and around the photosystems embedded in the thylakoid membrane of the chloroplasts.

The chloroplasts are organelles found in eukaryotic algae. The chloroplasts in eukaryotic celss are contained in the cytoplasm together with other organelles.

<span>Since the chlorophyll is insided the chloroplast which is inside the cytoplasm, it is safe to say that the chlorophyll of the green algae is spread throughout the cytoplasm of its cells.</span>
4 0
3 years ago
Read 2 more answers
What chemical reaction creates the feeling of lust
serg [7]
Apparently it is caused by the sex hormones, testosterone, and oestrogen. there. that is the chemical reaction of lust.

3 0
3 years ago
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un caballo negro de antepasados desconocidos fue apareado con cierto numero de yeguas de color rojo deraza pura, estos apareamie
konstantin123 [22]

Pregunta completa: un caballo negro de antepasados desconocidos fue apareado con cierto numero de yeguas de color rojo de raza pura, estos apareamientos dieron 20 descendientes de colo rojo y 25 de color negros.

A) cual de dichos caracteres fenotipicos es mas probable que este causado por un homocigoto recesivo?

B) segun su hipotesis cuantos individuos de cada clase habrian esperado

Answer:

A) El color rojo es causado por un genotipo homocigota recesivo

B) Se habrían esperado 22.5 individuos negros y 22.5 individuos rojos, que juntos sumarian un total de 45 individuos.

Explanation:

El desarrollo del problema se encuentra disponible en el archivo adjunto

Download pdf
3 0
3 years ago
In which case might the offspring’s trait be mistaken for a blend of traits of parents?
kenny6666 [7]
Hope this helped you :)
5 0
3 years ago
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