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ivolga24 [154]
3 years ago
12

Explain how sex (gender) is determined in human beings.

Biology
2 answers:
borishaifa [10]3 years ago
8 0
By XX/XY sex chromosomes. Most females have two of the same sex chromosome (XX). While most males have two distant sex chromosomes (XY).
Vsevolod [243]3 years ago
7 0
A human sex is determined by the persons 23rd chromosome.
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The movement of molecules from high concentration to low concentration is called
Sati [7]

Answer:

Diffusion

Explanation:

Diffusion is a process of passive transport in which molecules move from an area of higher concentration to one of lower concentration.

4 0
4 years ago
11. The term used to describe where organisms live with their physical environment is ...
olganol [36]

Ecosystem. Biosphere is a ¨life zone¨ & the hydrosphere is the location of water in our atmosphere. Population is the amount of a particular organism living within a region.

Ecosystem fits the bill.

5 0
3 years ago
Write any four salient features of plants.
xeze [42]
<h3>1) Write any four salient features of plants.</h3>

= The four salient features of plants are :

i) Most of the plants appears green due to the present of chlorophyll...

ii) Most of the plants are made up of eukaryotic cells...

iii) Their cells contain cell wall which is made up of cellulose....

iv) Most of the plants are multicellular.....

<h3>2) Write difference between flowering and non-flowerling plants.</h3>

= The differences between flowering and non - flowering plants are :

<h3 /><h3>Flowering plants </h3>

i) All flowering plants are green...

ii) Flowering plants produce flowers and seeds ...

iii) All flowering plants are multicellular..

iv) Flowering plants are more developed.

Examples: Cyas, pine ,pea, rose etc

<h3>Non-flowering plants </h3>

i) Non-flowering plants may be green or non green...

ii) Non-flowering plants do not produce flowers and seeds...

iii) Non-flowering plants may be unicellular or multicellular...

iv) Non-flowering plants are less developed.

Examples : Spirogyra, mushroom , moss etc..

5 0
3 years ago
Which plant is often used as a soil conditioner? moss fern horsetail hornwort
Gekata [30.6K]
<h2>Answer </h2>

Moss

<u>Explanation</u>

Moss is often used as a soil conditioner. The capacity of Sphagnum to keep damp creates the moss a common soil conditioner. A soil conditioner is a material manufactured from organic matter which assists to enhance the soil's characteristics, scoring slow-releasing nutrients. It has been simply used to kill any weed seeds. Mosses are small flowerless plants that typically develop in thick green clumps or mats usually in damp or dark areas.


5 0
4 years ago
If an organism has a hapoloid chromosome of 8 which of the following is the organism diploid chromosomes and why
ivann1987 [24]

Answer:

if I remember right, a diploid is twice the amount of a haploid because diplood are pair chromosomes. So if there is 8 haploid there will be 16 diploid.

Explanation:

To find the diploid put the n of 2n.

3 0
3 years ago
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