Bivalent formation and crossing over are two key events that typically occur at the beginning of: ___________

Answers

Answer 1

Answer:

The answer is Meiosis.

Explanation:

It is when two key events cross over each other.


Related Questions

15. Electromagnetic radiation is generated by stars
and has wavelengths and frequencies that
contribute to each wave's special
characteristics. Many different types of
telescopes are used to study these phenomena
so that scientists can get a better picture of our
universe. Which telescope would be used to
detect temperature signatures left behind by
ancient stars?
18. Mary is making a computer model comparing
the rotation of Earth to the rotation of the Sun.
What information should be included in the
model?
A. radio telescope
B. infrared telescope
C. reflecting telescope
D. refracting telescope

Answers

Answer:

B

Explanation:

The formation of two species from one original species is known as.

Answers

Speciation, the formation of two species from one original species, occurs as one species changes over time and branches to form more than one new species.

The formation of two species from one original species is known as:.

Answers

Answer: Speciation.

Explanation:

Answer:

The formation of two species from one original species is known as SPECIATION

Explanation:

Hope this helps you, please mark as brainliest.

What should be considered when using a compound microscope to examine two samples side by side?
that the settings for both microscopes be the same
that the samples be properly transported to the lab
that samples contain a similar chemical composition
that other types of microscopes have already been used

Answers

A. when using  a compound microscope ensure that the settings for both microscopes be the same.

What is compound microscope?

A compound microscope is an upright microscope that uses two sets of lenses (a compound lens system) to obtain higher magnification than a stereo microscope.

When using a compound microscope to examine two samples side by side, it is important to ensure both microscope have the same setting to avoid error in the examination.

Thus, when using  a compound microscope ensure that the settings for both microscopes be the same.

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Answer: That the settings for both microscopes be the same

Explanation: I got this right on my quiz.

What elements make up a water molecule

Answers

Answer:

This is easy the answer is H2O

Explanation:

There are 2 hydrogen molecules and one oxygen and that makes up water.

Name three reasons that parrots are sensitive to exploitation

Answers

Answer:

1. Nearly a third of all wild parrots are endangered.        2. Captive parrot estimates range from 10 to 40 million in the U.S. alone.     3. Parrots are complex creatures, "right up there with apes and humans."

the three step involved in darker photosynthesis​

Answers

Answer:

light ,water,wind

respiration takes place

What does Gene expression control

Answers

gene expression controls the DNA’s ability to replicate, express, and repair itself

I'll give the brainiest. Which type of human activity has a significant impact on Earth’s climate?

creating large quantities of waste
consuming processed foods in large amounts
overfishing the oceans burning
mass quantities of fossil fuels

Answers

Answer:

Overfishing the oceans burning mass quantities of fossil fuels.

Explanation:

HGD

-ghost

(This should be the right answer, if not ill give points back)

Answer:

burning mass quantities of Fossil fuels

Explanation:

Burning of fossil fuel denotes to the combustion of hydrocarbons.It releases lots of amount of carbon dioxideIt is also a reason for global warming.

Option D

Help me right now! Past due!

Are dinosaurs more closely related to crocodiles or chickens?

List 3 reasons

Answers

Answer:

Dinosaurs and crocodiles are both reptiles.

They share cold-blooded circulations that rely on the environment to heat and cool.

Physical similarities, such as their rubbery skin and fierce teeth and claws are also apparent

hope it helps

answer: crocodiles
explanation: they are both reptiles
they have the same genes

An organism inherits its genetic instructions from the.

Answers

Answer:

An organism inherits its genetic instructions from the. Parant because there cell combine to form zygote which develop into a new organism

Explanation:

PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE

PLEASE HELP! I WILL GIVE BRAINLIEST
What does the exoskeleton use to power its movements?

Answers

Answer:

Some run on electricity, while others, which don't need electrical power, offer more freedom to their users. The Airframe exoskeleton from Levitate Technologies is powered mechanically and does not require electricity. Instead, it uses a patented system of pulleys to support its users' upper bodies.

Explanation:

a man with a AB blood is married to a woman with AB blood. What blood types can their children have

Answers

Answer:

They will have a child with either any of the following A,B, OR AB

What organ in the body of the female mammal is the site for implantation of a fertilized egg?.

Answers

Answer:

The uterus

Explanation:

The uterus is the organ in the body of the female mammal has site for implantation of a fertilized egg.

What is the process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell?.

Answers

Meiosis (rather than mitosis, which duplicates the cell)

Why is the study of insects and their life cycles important for forensic entomologists? How is this information helpful to criminal investigations?

Answers

You can understand it through the provided example.

Suppose a terrentula bit killed a person .Now criminal investigation goes on that how he got killed .If forensic entomologists don't awaree about it then they can't identify the cause

Answer:

To help determine the approx. time of death

Explanation:

From the early stages after a body decomposes insects are attracted to it and lay eggs in it. By studying the insect population and the larvae stages, a forensic entomologist can estimate the postmortem index, any change in the position of the body and sometimes the cause of death.

Mark looks at an unknown cell under a microscope. What structure could he observe to help him identify whether the cell came from a plant?
A. Nucleus B. Cell Wall
C. Cytoplasm D. Cell Membrane

Answers

D. Cell membrane.

Because that’s how a cell for plants look like.
B. Cell wall

Explanation: Both plant and animal cells have a nucleus, a cytoplasm, and a cell membrane, but only plant cells can have cell walls.

Are you more likely to observe evolution between the s0 and s1 or the s0 and f1 population? explain your reasoning

Answers

Bettween the s0 and s1 or the s0 and f1 population, evolution will be observe most likely in the population with less gene flow and higher rate of mutation.

What is evolution?

Evolution refers to a series if gradual and cumulative and transferrable changes which occur in organisms that resulted in the formation of new species from existing species.

Factors affecting evolution include;

gene flow,the rate of mutation andnatural selection.

When there is less gene flow between populations as well as higher rate of mutation, evolution of species will be most like likely.

Therefore, between the s0 and s1 or the s0 and f1 population, evolution will be observe most likely in the population with less gene flow and higher rate if mutation.

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How does the seasonal change of hibernation help some animals in Florida?

Hibernation allows the animal to grow quickly.
Hibernation allows the animal to have many offspring.
Hibernation allows the animal to survive when food is scarce.
Hibernation allows the animal to move to a more suitable environment.

Answers

Answer:
Hibernation allows the animal to survive when food is scarce.

Explanation: bECAuSE I hAvE Big BrAin

Answer:

C

Explanation:

Makes the most sense

Tile Big Picture
What are the three different parts of a nucleotide’s

Answers

Answer:

a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base

Explanation: trust

When temperatures become harsh, ants respond by ________.

becoming more active
digging deep into the ground
eating lots of food
reproducing eggs

Answers

Answer:

digging deep into the ground

Explanation:

when it gets cold, ants respond by seeking warm places, such as deep soil, under rocks or under the bark of trees.

Unlike effective irrigation methods that could be considered sustainable, fishing techniques that are too effective are causing low bycatch and reduced hauls.


True

False

Answers

Answer:

True

Explanation:

I took the test

Answer: its true

Explanation: I also got it right :)

The brain dysfunction associated with autism spectrum disorder (ASD) can sometimes involve the cerebellum and sometimes involve the frontal cortex.
a. True
b. False

Answers

The answer to this question is A

a. True is the correct answer.

What is ASD?

Autism spectrum disorder (ASD) is a neurodevelopmental disorder that affects communication, social interaction, and behavior. The exact cause of ASD is not fully understood, but it is believed to involve a combination of genetic and environmental factors.

Brain imaging studies have shown that individuals with ASD often have structural and functional abnormalities in several areas of the brain, including the cerebellum and frontal cortex.

The cerebellum is involved in motor control, balance, and coordination, but research suggests that it may also play a role in higher cognitive functions, such as language, attention, and social interaction. The frontal cortex, on the other hand, is responsible for a range of executive functions, including decision-making, planning, and impulse control, as well as social cognition and emotional regulation.

The dysfunction associated with ASD in these brain regions can manifest in different ways, depending on the individual. Some individuals with ASD may have difficulty with motor coordination and balance, while others may have trouble with language and communication.

Some individuals may exhibit impulsivity, while others may struggle with social interaction and emotional regulation. Therefore, it is true that the brain dysfunction associated with ASD can sometimes involve the cerebellum and sometimes involve the frontal cortex.

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Proteins are involved in almost every chemical reaction within a cell. Special proteins known as enzymes speed up chemical reactions allowing reactions to occur often enough for life to continue. Other proteins maintain the shape of a cell or carry large molecules through the cell membrane. Although proteins can have many different functions, they are all made of the same building blocks. These building blocks that make up every protein are known as -

Answers

The correct answer would be: amino acids.

if two organisms are in the same class, they MUST also share which of the following? A. kingdom and family B. genus and species C. phylum and genus D. kingdom and phylum​

Answers

Answer:

kingdom and family

Explanation:

This section is worth 7 points
Classify each example of heat transfer as Conduction or Convection.
ITEM BANK: Move to Bottom
A frying pan on a hot burner.
A space heater warming a room.
Butter melting on a hot biscuit.
Holding a hot cup of coffee.
Noodies rising and falling in a pot of
boiling water
Steam coming from a cup of hot
chocolate
Walking on hot sand
Conduction
Convection

Answers

Here are the answers in order, top to bottom.

Conduction
Convection
Conduction
Conduction
Convection
Convection
Conduction

Check other sources before answering.

PLEASE HELP!!!! need the question answerd asap!!

Answers

Answer:

I thinked it only for algebra

What has the mass deaths of honeybees been linked to?.

Answers

Colony collapse disorder

Which cell part contains directions for cell growth and reproduction?.

Answers

The nucleus

Hope this helps :))

Highlight the correct words to make the statement true

In the process of cellular respiration, it occurs in (animals or plants). Cellular respiration has the main job of (making food or making energy) for the organism. The organelle involved in cellular respiration is the (chloroplast or mitochondria). The 2 inputs needed for cellular respiration are (oxygen, water, carbon dioxide, sun, food & ATP). The 3 outputs from cellular respiration are (oxygen, water, carbon dioxide, sun, food & ATP).

Answers

Answer:

In the process of cellular respiration, it occurs in both animals and plants. Cellular respiration has the main job of making energy for the organism. The organelle involved in cellular respiration is the mitochondria. The 2 inputs needed for cellular respiration are oxygen and food. The 3 outputs from cellular respiration are water, carbon dioxide, & ATP).

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