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kati45 [8]
3 years ago
6

The absolute magnitude of a star:

Biology
2 answers:
IRINA_888 [86]3 years ago
8 0
How bright the star looks from earth
Ad libitum [116K]3 years ago
5 0
Astronomers define star<span> brightness in terms of apparent </span>magnitude<span> (how bright the </span>star<span> appears from Earth) and </span>absolute magnitude<span> (how bright the </span>star<span>appears at a standard distance of 32.6 light years, or 10 parsecs).</span>
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Cows cannot produce their own food. They consume grass in order to get energy for life processes. Cows are _______.
Andrew [12]

Answer:

B. heterotrophs

Explanation:

Heterotrophs gets their food/energy from another organism, thus, cows are heterotrophs.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

3 0
2 years ago
Read 2 more answers
Which of the following statements regarding cnidarians is true? The digestive and circulatory compartment of cnidarians is calle
fenix001 [56]

The last one I think xd

7 0
3 years ago
What is the optimum pH for each enzyme
uysha [10]
It’s not the most visible by your picture. The correct answers are where the highest point of each line is because that is where the enzyme is working most efficiently.

Here are my answers but because of the unclear image , please check them with my explanation above:

Pepsin. = pH2
Salivary Enzyme = pH7
Trypsin = pH9
4 0
3 years ago
What do the testes and ovaries produce to develop male and female characteristics?
il63 [147K]

Answer:

Testes and ovaries produce  two types of hormones:

androgens (male sex hormones)

estrogens (female full hormones)

In each type of gland, both types of hormones are secreted only in different amounts: the ovaries secrete more estrogen than the androgen hormones, and the sperm inversely.

Explanation:

In testicular tissue, Leydig cells produce androgen hormones: androsterone and testosterone. The ovaries produce a group of estrogen hormones and progesterone. These hormones exert their effect at puberty when the glands are activated. At puberty, the pituitary gonadostimulins activate the sex glands, whose activity leads to the development of secondary sex characteristics (the appearance of first menstruation in girls, beards and mustaches in boys, etc.).

6 0
3 years ago
Read 2 more answers
The production of egg and sperm cells follows a certain sequence of events.
Maru [420]
The production of egg and sperm cells follows a certain sequence of events.

The correct order of those events are:
MEIOSIS, CELL DIFFERENTIATION, MATURE GAMETES.

Meiosis is defined as the process wherein a single cell is divided twice to produce four cells that contains half the original amount of genetic information.

Cell differentiation is defined as the process wherein the less specialized cell becomes a more specialized cell. The haploid cells are the end result of meiosis. They must undergo cell differentiation before they can become mature gametes.
3 0
3 years ago
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