Why do human populations change?

Answers

Answer 1

Answer:

Because either humans are passing away quickly or there are a lot of child births (Maybe even both)

Explanation:

Answer 2

Answer:it depends on death rates which depends on population

Explanation:


Related Questions

Which of the following statements is true?
Only somatic mutations are important to evolution because they can be inherited.
Acquired mutations are passed down from parent to offspring.
O Hereditary mutations are caused by external factors, such as radiation.
O Mutations are the most fundamental way to add new genes to a gene pool.

Answers

Answer: A,B, and C.) Only somatic mutations are important to evolution because they can be inherited. Acquired mutations are passed down from parent to offspring. Hereditary mutations are caused by external factors, such as radiation.

Explanation:

The true statement is: Mutations are the most fundamental way to add new genes to a gene pool.

A mutation is any alteration in the genetic material (i.e. nucleotide sequence) of the genome of an organism.  

Mutations can be caused by both external (e.g., UV light) and endogenous (e.g., oxidative DNA damage) factors.

Mutation can be divided into somatic (body) cells and germline (gamete) cells. Only germline mutations can be inherited and pass from parents to offspring.

Acquired mutations are genetic alterations that are not present in the zygote, but are acquired sometime later in life. This type of mutation is involved in the development of cancer.

Mutations are the raw material on which natural selection operates, thus being the most important cause of evolutionary novelty.

In conclusion, mutations represent the most important source of genetic variability and a fundamental way to add new genes to a gene pool.  

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IF YOU HAVE DONE ODSSEYWARE PLEASE HELP AND GIVE THE THE ANSWER

Choose all the answers that apply.
Mudslides can be caused by _____.

earthquakes

volcanoes

tsunamis

weathering

Answers

Earthquakes and weathering

Help please describe how the biotic factors taiga differ from those in the rainforest

Answers

Answer: biotic factors include plants and animals. So, the rainforest animals are more adapted to warmer weather meaning they have less fur and are built for warmer weather. The plants in a rainforest need lots of water to survive as well as carbon dioxide so they have large, wide leaves.

In a Taiga biome, the animals have more fur and adaptations to help them to survive in colder weather. The plants primarily consist of fir and pine trees, which have waxy, needle-like leaves to retain water as well. The trees also dont lose their leaves in the winter.

Explanation:

The biotic factors are significantly found to be different in two types of habitation such as taiga and rainforests.

What are biotic factors?

Biotic factors may be defined as those factors that are directly associated with living forms. It includes producers, consumers (herbivores, carnivores, and omnivores), decomposers, etc. It may also be characterized as any living thing that has a significant effect on an ecosystem.

The animals in the rainforests adapted to the average temperature that remains warm throughout the year and must be frost-free. So, the animals generally have less fur. While the plants require more water in order to survive and reproduce at a higher temperature.

The climatic conditions on taiga are actually cold as compared to the rainforests. So, the animals possess fur appearance in order to survive in low temperatures. The plants compose of waxy structures and needle-like leaves in order to retain water. The number of leaves remains the same throughout the year.

Therefore, the biotic factors are significantly found to be different in two types of habitation such as taiga and rainforests.

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What would be an appropriate key for these traits

Answers

Answer:

The correct answer is -

TT - short    BB - blue eyes

Tt - short tail  Bb - blue eyes

tt - no tail bb - brown eyes

Explanation:

In this given question it is stated that short tails of ribbits are dominant over the no tail trait of the rabbits and similarly blue eyes trait of the rabbits is also dominant over the brown-eye trait.

A dominant trait is represented by a capital letter and a recessive trait is represented by the small letter so for the tails alleles will be denoted as T and t, and for the eyes, the alleles would be B for blue and b for brown.

The key for these traits would be-

TT - short    BB - blue eyes, due to both dominant allele,

Tt - short tail  Bb - blue eyes, due to dominant allele masks the recessive allele

tt - no tail bb - brown eyes, due to both alleles are recessive

what's the second longest phase in the cell cycle?

Answers

Interphase is the second
Mitosis right after interphase

Name the following blood vessels ABC

Answers

Answer:

Arteries, Veins, and Capillaries

Explanation:

Frida wants to measure the volume of a stone. She starts by pouring 473 mL of water into a large measuring cup. Then she drops in the stone. Now the water measures 499 mL. What is the volume of the stone?

A
15 g

B
26 mL

C
26 cm^3
​3
​​

D
62 cm^3
​3
​​
*don't respond if you don't know, irrelevant answers will be reported and removed*

Answers

Answer:

C

Explanation:

You subtract 499-473. That shows how much water is displaced and the volume of the stone. Hope this helps and have a great day!

Frida wants to measure the volume of a stone. The correct volume is B

The volume of the stone is 26 mL.

What is volume?

The initial volume = 473 mL

The final volume = 499 mL.

The final volume   − Initial volume

= 499 −  473

= 26 mL.

Therefore, Frida wants to measure the volume of a stone. The correct volume is B .The volume of the stone is 26 mL.

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in order for a liquid to turn into a solid,would you transfer energy in or out?What happens to speed of molecules

Answers

the molecules tend to move slower than a liquid









right answer

Answer:

transfer energy out and the speed of the molecules would decrease and the particles would vibrate less

Explanation:

Plants that use flowers for reproduction are called:
gymnosperms
eukaryotic
angiosperms
vascular

Answers

Explanation:

the answer of This question is angiosperms

The answer is angiosperms

If the statement is true, type true. If the statement is false, change the underlined word op plase
make the statement true.
Air pressure is the result of the weight of a column of air pushing on an area,

Answers

Answer:

10

Explanation:

Define crossing over?

Answers

Answer:

Crossing over is the swapping of genetic material that occurs in the germ line. During the formation of egg and sperm cells, also known as meiosis, paired chromosomes from each parent align so that similar DNA sequences from the paired chromosomes cross over one another.

Explanation:

List two examples of an abiotic factor and a biotic factor interacting.

Example: mouse breathing air.

Answers

Answer:

human using hammer,duck drinking water

Explanation:

Answer:

f

Explanation:

Select all the types of transport that DO NOT require ATP
Active Transport
Passive Transport
Diffusion
Endocytosis
Exocytosis
Osmosis
Facilitated Diffusion

Answers

All types of passive transport do not require ATP:
-passive transport
-diffusion
-osmosis
-facilitated diffusion

Answer:

diffusion, osmosis and facilitated diffusion

What causes the phases of the moon ?

Answers

Answer:

A).

So the basic explanation is that the lunar phases are created by changing angles (relative positions) of the earth, the moon and the sun, as the moon orbits the earth.

Explanation:

Answer:

a

Explanation:

How does the decrease in biodiversity impact an ecosystem?

Answers

Answer:

because the more alike species are The more they have to adapt to try and compete with one another So the more different a species is the less they have to compete

Answer:

the decrease in biodiversity may cause a significant reduction in the productivity of the ecosystem. The loss of biodiversity means genetic variations are lost and the overall genetic pool reduces.

Explanation:

Egde 2022

Mendel also wondered if the inheritance of one trait affected the inheritance
of another. He explored this possibility by performing is -

A. dihybrid crosses
B. back crosses
C. test crosses
D. monohybrid crosses


And after can y’all help me on others 3 so I can sleep it’s already 12

Answers

Answer:

A. dihybrid crosses

Explanation:

A dihybrid cross can be defined as a mating experiment between two lines/varieties/organisms that differ in two phenotypic traits. By using pea plants, Mendel performed dihybrid crosses in order to analyze the mode of inheritance of both phenotypic traits at the same time. From these mating experiments, Mendel observed that the inheritance factors (nowadays called genes) sorted independently from one another in the next generation, which is called the principle/law of Independent Assortment.

Which of the following would most likely cause increases in predator population within an ecosystem?

A. a period of drought

B. a fungal infection of producers

C. fewer herbivores

D. less competition

Answers

C. Fewer herbivores


PLEASE HELP ASAP!! I WILL GIVE BRAINLIEST
During the mid-1700s, advances in technology caused society to shift from agriculture
and manufacturing practices powered by human and animal laborers to practices
powered by fossil fuels. This historical shift is known as the Industrial Revolution. Which
of these is a likely result of the Industrial Revolution?
A. A decrease in consumption of fossil fuels
B. An increase in formation of new fossil fuels
C. A decrease in formation of new fossil fuels
D. An increase in consumption of fossil fuels
X Incorrect

Answers

Answer:

I think its c

Explanation:

im not exactly sure

Answer:

An increase in consumption of fossil fuels

Explanation:

What are the two main reactants of photosynthesis

Answers

Answer:

Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants (Figure 5.5). After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. These sugar molecules contain the energy that living things need to survive.

Explanation:

In simple terms: carbon dioxide and water are the reactants

can you create a punnett square for this question?

Answers

Answer:

Explanation:

HERE U GO

This is the punnet square

Which statement correctly compares electric charge with electric current?

D) They both require a human to make them.
A) Neither require charged particles.
B) They both require a battery and a bulb.
C) They both require a movement of charged particles.

Answers

Answer:

I think it's C

Explanation:

Answer:

Answer is C)

Explanation:

Not all electricity is generated by humans, a battery or bulbs... BOTH must have an electric current in order to be active

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Please identify the parts. I will mark brainlist

Answers

Answer:

a) mitochondria

b) centriole

c) nucleus

d) endoplasmic reticulum

e) cell membrane

Hope i helped and have a awesomly amazing day. :)))

_1. Nuclear a.energy associated with moving objects or objects that could move later
_2. Gravitational b. energy from waves such as light, radio, x-rays
_3. Elastic c. energy associated with heat
_4. Chemical d. energy associated with moving electrons and magnetism
_5. Thermal e. energy stored in the nucleus of an atom
_6. Sound f. energy stored in chemical bonds
_7. Radiant/Light g. energy an object has because of its height above ground
8. Electromagnetic h. energy associated with vibrating air particles wiggling your eardrum
_9. Mechanical i. energy stored in a stretched or pressed object

Need help asap someone help me match the letters to the right vocabulary

Answers

Answer:

thx for giving me so, much points

ok

is dna synthesis apart of creating rna

Answers

Yes, DNA synthesis is a part of creating DNA.

Explanation:

One of the two strands of the DNA double helix then acts as a template for the synthesis of an RNA molecule. As in DNA replication, the nucleotide sequence of the RNA chain is determined by the complementary base-pairing between incoming nucleotides and the DNA template.

plz plz mark as brainlest

This population of wolves lives in a forest. Climate change has caused a sudden change in the
environment. The forest is now covered in snow for long periods of time.

Using the following
vocabulary, explain how the population of wolves will change.

•Variation
•Competition
•Reproduction
•Genes/DNA
•Adaptation/Advantageous •Trait

Answers

Answer:

do to Climate change the wolfs will have to make an adaption to the cold and snowy weather . do to this the wolfs will have competition because they do not have the DNA in them to survive or know how to survive in this climate . if the wolfs do survive they can reproduce and the baby wolfs will pick up there traits . this will lead to different Variation of species

Explanation:

When a cell is preparing to divide, it should not manufacture a protein that will cause it to divide early. The need for cells to follow a certain order during division is the reason cells-
A) Regulate gene expression
B) divide very slowly
C) Do Not manufacture enzymes to divide proteins
D) signal protein Not to stimulate cell division

Answers

Answer:d

Explanation:

When a cell is preparing to divide, it should not manufacture a protein that will cause it to divide early. The need for cells to follow a certain order during division is the reason cells signal protein Not to stimulate cell division

What is cell division ?

In a living organism there are two types of cell such as somatic cell and germinal cell which undergo the process of cell division.

Cell division occur which can be up two types such as mitosis and meiosis where mitosis is called as equatorial cell division as the number of daughter cell is equal to number of parent cell.

meiosis is called as reductional division as the number of daughter cell is half of the parent cell, occur in germ cell.

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Why is hemophilia not a mendelian trait?
a) It is not dominant
b) It is not recessive
c) It is located on sex chromosomes​

Answers

Answer:

C.

Explanation:

Hemophilia could not be a Mendelian trait, due to it being a recessive X-linked trait. This is also why Hemophilia is more common in males.

Help with number 3 !!!

Answers

All of the above factors effect climate

Why would scientists want to monitor the migration habits of red-winged blackbirds in MA?

Answers

Answer:

Blackbird and Oriole : Varieties of swamps, shrubs, swamps, and dry grasses; foraging in arable land and water. The species is most commonly found in freshwater marshes, but in wooded or bushy marshes, weed fields, hay fields, and salt marshes also have levels on the upper edge. Usually foraging in other open habitats, such as fields and tidal flats; outside the breeding season, flocks of chickens gather in farmlands, pastures and feedlots.

Among the birds we are most familiar with, the red wings seem to sing nasal sounds on every swamp and wetland from coast to coast. They are particularly bold, and a few often attack larger birds, such as eagles or crows, and they fly over their nesting areas. When singing, the male's red shoulder patches are hidden under the body feathers most of the time, which is very beautiful. Outside the nesting season, red wings sometimes live in large areas.

That's why. Hope it helps.

In photosynthesis we are "building" up or
making a glucose molecule, we say this is a
what type of process?
Catabolic or anabolic

Answers

Answer:

Anabolic

Explanation:

because Anabolic means to grow up or build

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