BIOLOGY MIDDLE SCHOOL

Describe three reasons that why meiosis is important

Answers

Answer 1
Answer:

Answer:

I) For gametes formation

II) For pollen grain formation

III) For seed formation

Explanation:

The importance of meiosis are:

- gamete formation

During meiosis, sex cells such as sperms and ova are formed in the testes and ovary respectively

- pollen grain formation

Pollen grain are formed in the anthers of flowering plants

- Seed formation

Seeds also known as ovules, are formed in the ovary of flowering plants

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What makes up an organisms genes?
what do you call the phenomenon When you have a different concentration of materials on the inside and outside of the cell
Choose all the answers that apply.By what method do mountains form? erosion weathering faulting folding magma pushing up the crust ------- How are sand dunes and deltas similar? They are both formed by erosion. They are both formed by weathering. They both can be prevented by contour plowing. They both have poor quality soil not suited for farming. ----- Which of the following is an example of erosion? a river carrying dirt into a lake a volcano erupting and releasing lava chemicals in water dissolving minerals in rock friction between two rock surfaces grinding away minerals ----- Which of the following is the most important condition for fossilization? minerals in water rapid burial presence of oil or coal large amounts of oxygen ------ Deltas _____. form from deposited sediment result from chemical weathering form by volcanic eruptions have very poor soil that cannot be used to grow crops ---- Choose all the answers that apply. Fossils can tell us about: climate environment organism structure landforms -- What happens when an oceanic and a continental plate collide? the continental plate sinks below the oceanic plate the oceanic plate sinks below the continental plate mid-oceanic ridges are formed the two plates break from the force ----- Choose all the answers that apply. Which of the following fossils are trace fossils? amber footprint bone tooth shell
What causes thunderstorms ?

What does an object break up due to gravity in intitle forces as it approaches a planet​

Answers

It passes the Roche limit a break due tidal force.

Explanation:

The name Roche limit is due to famous scientist Edouard Roche.  It is known as the minimum distance which is smaller object can exist and as a body held together by itself gravity. Roche limit is also called Roche Radius.

Its minimum distance is from the center of the planet. For formation it allows the material to come together. The example is large enough moon.  

Directions: Select each correct answer. More than one answer may be correct. It has been theorized that all of the modern continents on Earth were once part of a single continent. What scientific evidence is used to support this theory? A. Fossils of similar lifeforms have been found on different continents.
B. The coastlines of some modern continents appear to have once fit together. C. Some of the continents that exist today have similar types of rocks.

Answers

The correct answers are option A, B and C

The scientific evidences that show that the modern continent now was once a part of the single continent.

The fossils of similar life forms have been found on the different continents because they were once joined and when they separated fossils of those animals were found on the different places.

The coastline of some continents shows that they once excited together.

Some of the continents  that exist separately today have similar types of rocks .

the answer to this question is all of these (a,b,c)

When do scientists rely on estimates?

Answers

When they cannot obtain exact numbers.

What r baby frogs called

Answers

Frogs lay eggs under water.  When they hatch they are called tadpoles.  After a time as tadpoles they undergo metamorphosis where they grow legs and lungs and become the little friendly hippidy hoppidy guys you see on your porch every night.
Baby frogs are called tadpoles

A group of egrets that live near cattle to feed off of insects disturbed by the cattle are an example ofCommensalism
Competition
Mutualism
Parasitism
Predation
ANSWER FAST PLEASE​

Answers

Answer:

Commensalism

Explanation:

This is where one animal benefits and the other isn't benefited or harmed.  The egrets get food, and the cattle continue their daily lives.

Explain Mendel's 3rd Law of Genetics: Law of Dominance.

Answers

The Law of Dominance tells you that one of the factors for a inherited trait would be dominant while the other would be recessive.
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