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BigorU [14]
3 years ago
8

Why dose sexual reproduction result in genetic variation in a species

Biology
1 answer:
Svet_ta [14]3 years ago
7 0

Answer:

Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. ... Sexual reproduction involves meiosis, which is the process of a cell doubling its DNA, shuffling its genes, and then dividing the shuffled DNA among four cells.

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Rock B reacts with hydrochloric acid. State the name of the rock B
choli [55]

Answer:

The sedimentary rock limestone which contains carbonate mineral Calcite and the metamorphic rocks which contain carbonate mineral Aragonite are the examples of rocks which react strongly with hydrochloric acid.

Explanation:

Rocks are naturally occurring structures formed on the Earth's crust and are composed of aggregate minerals. Classification of rocks: Igneous rocks - formed by cooling of magma on Earth's crust or seabed (basalts, gabbros, granite, etc), sedimentary rocks - formed over time by the accumulation of sediments from the weathering of existing rocks or fragments of minerals and organisms (mudstone, sandstone, shale, limestone, dolostone, siltstone, etc) and metamorphic rocks - transformed rocks formed from the existing rocks that are subjected to large pressures and temperatures (schists, gneiss, marble, etc).

The carbonate minerals like calcite, dolomite, aragonite, etc react with hydrochloric acid and release carbon dioxide gas bubbles. Calcite (calcium carbonate), which is found in igneous, metamorphic, and sedimentary rocks in a varying proportion reacts strongly with hydrochloric acid. So, the sedimentary rock Limestone which mainly contains calcite react strongly with the acid while Dolostone which mainly contains dolomite (calcium magnesium carbonate) reacts less vigorously. Another carbonate mineral aragonite, found in metamorphic rocks also reacts strongly with hydrochloric acid.

6 0
3 years ago
HELP I DONT KNOW IF THIS IS RIGHT
Fofino [41]
The correct answer would be hand lens
5 0
3 years ago
What kind of cells can secrete substances at the epithelial surface?​
kogti [31]

Answer:

Epithelial cells

Explanation:

Epithelial cells are cells that secret mucus to prevent friction between organs. Like between the Heart and Lung.

5 0
3 years ago
What do anaerobic organisms have in common with photosynthetic organisms?
mafiozo [28]
One moves and one requires light and plant to survive
3 0
3 years ago
Read 2 more answers
Tara is in her final month of pregnancy. she is writing a birth plan and would like to know how the use of epidural analgesia mi
vampirchik [111]
You can tell tara that exposed newborns tend to <span>have lower Apgar scores. 

Analgesia will reduce pain in the labor, but the pain is causing the release of many hormones that will assist in labor. The absence of those hormones can make the baby have lower Apgar scores after labor.</span>
5 0
3 years ago
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