BIOLOGY MIDDLE SCHOOL

A chemical equation that does not indicate
relative amounts of reactants and products

Answers

Answer 1
Answer:

Answer:

skeleton equation

Explanation:

Skeleton equations or unbalanced equations are mostly used in chemistry. In a skeleton equation you put chemical formulas in place of chemical names. A skeleton equation doesn’t show the relative and balanced amounts of reactants and products. It’s regarded as a step to writing a complete chemical equation.

Hope it helps!

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The first organisms on Earth were mostly likely ________ cells.prokaryotic
Or
eukaryotic?

Answers

Answer: Prokaryotic. Because their unicellular.

Answer:

Prokaryote

Explanation:

3. Why is relying on a short list of major food crops a concern?

Answers

Relying on a short list of major food crops is a concern.

Explanation:

Different food crops require different types of soil. Thus all kinds of food crops cannot be cultivated in the soil of a country. In addition to that the amount of land available for cultivation is limited by growing settlements and industries.

Thus growing reliance on limited number of food crops is a serious issue. When all the people start depending on a few type of major food crops the production from agriculture won’t be able to feed all the population.   The increase in demand for major food crops will result in the increase in their prices.

This would mean that only the wealthy would be able to afford them. This will eventually lead to poverty and decline in economic growth.

Which is the most likely cause of the observed variation?

Answers

Competition among individuals for available food sources is most likely the cause of the observed variation.

What are the five food sources?

As the MyPlate icon shows, the five food groups are Fruits, Vegetables, Grains, Protein Foods, and Dairy.

What is an example of a food source?

The most obvious examples of the foods we source from plants are fruits and vegetables. All of the fruits and vegetables grow on plants. Another example of food from planted crops. These are rice, wheat, maize, millets, barley, etc.

Learn more about  food sources at

brainly.com/question/24635136

#SPJ2

Answer:

competition among individuals for available food sources

Explanation:

Charles Darwin observed a unique beak size and shape in the finch population of each of the Galapagos Islands that he visited.  

-- Which is the most likely cause of the observed variation?

competition among individuals for available food sources

Why are petri dishes being used?

Answers

Answer:

Petri dishes are widely used in biology to cultivate microorganisms such as bacteria, yeasts, and molds.

Explanation:

It is most suited for organisms that thrive on a solid or semisolid surface.

Please help lot of points i need helppppp

Answers

Yes, humans are physically evolving everyday.

Why do oceanic upwelling promote growth of micro plankton

Answers

Because in the process of oceanic upwelling , the currents bring out the nutrient-rich water from the deep water to the surface. This nutrient-rich water will be the perfect breeding spot for micro plankton since now they have a lot moree source of food
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