Answer:
Changes in the environment may leave individuals less well adapted to compete successfully for resources such as food, water and mates. Sometimes an entire species may become unable to compete successfully and reproduce. These problems can lead to extinction.
Los elefantes marinos del norte tienen poca variabilidad genética, probablemente, por un proceso que le hicieron pasar los hombres en la década de 1890. La caza hizo disminuir el censo poblacional hasta tan sólo 20 individuos a finales del siglo XIX. Desde entonces, su población ha «rebotado» hasta más de 30 000, pero sus genes todavía llevan las señales de sus aquellas generaciones su variabilidad genética es mucho menor que la de una población de elefantes marinos del sur que no sufrió una caza tan intensa. Este proceso puede denominarse como:
Seleccione una:
Cuello de botella
Especiación
Selección natural
Efecto fundadorLos elefantes marinos del norte tienen poca variabilidad genética, probablemente, por un proceso que le hicieron pasar los hombres en la década de 1890. La caza hizo disminuir el censo poblacional hasta tan sólo 20 individuos a finales del siglo XIX. Desde entonces, su población ha «rebotado» hasta más de 30 000, pero sus genes todavía llevan las señales de sus aquellas generaciones su variabilidad genética es mucho menor que la de una población de elefantes marinos del sur que no sufrió una caza tan intensa. Este proceso puede denominarse como:
Seleccione una:
Cuello de botella
Especiación
Selección natural
Efecto fundador
Answer:
elefantes marinos mmmmmmmmmm
Un organismo que solo come plantas es un (a)
Answer:
Herbívoros
Explanation:
Son animales que se alimentan exclusivamente de plantas, pastos, hierbas y vegetales en general. Hay muchos herbívoros que comen huevos y a veces otras proteínas provenientes de animales. Ejemplos de herbívoros: caballo.
Herbivores: They are animals that eat plants,grasses,herbs and vegetables,.Examples of herbivores: cows, deer, or rabbits.
what is the main goal of cloning.
A)To add medicines to the foods that people eat
B)To make living things that have identical DNA
C)To spread genes from transgenic plants to wild plants
D) To improve the process of asexual reproduction
2. A heart attack occurs when an artery in the heart is blocked, restricting the flow of blood. Why would a heart attack be accompanied by feeling short of breath? (6 points)
which of the organelle is responsible for manufacturing food in plants cell?
1. Plastid.
2. Large Vacuole.
3. Cell wall.
4. Nucleus.
5. Centrosome.
Answer:
chloroplasts are organisms responsible for manufacturing food in plants cell
Where does the carbon comes from that makes up the glucose molecules?
Answer:
from CO2
Explanation:
Answer:
carbon dioxide
Explanation:
The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules
Can someone help me if this is correct
Answer:
yes its correct
Explanation:
What is the resulting mRNA? 1.AUU-GAG-CAU-CAA-AAU-CCG 2.UAA-CUC-GUA-GUU-UUA-GGC 3.TAA-CTC-GTA-GTT-TTA-GGO
4.None of the above
Answer: 3
Explanation:
Just put 3
6. ¿Cuál de las siguientes moléculas está formada por
glicerol y ácidos grasos?
Azúcares
Almidones
Lípidos
O ácidos nucleicos
Answer:
Lípidos
Explanation:
Removal of trees causes more erosion and sedimentation
True
or
False
"Removal of trees causes more erosion and sedimentation
True
or
False"
Well the question are getting easier by the minute-..((-Side Note-)): Trees keep the dirt and grass in place with their roots, it's kinda like an anchor, removing the trees means the the dirt will be loose and it will be easy for the dirt to be washed or blown away but water and wind!
SO! with that being said the answer is!TRUE!! I apologize if i'm wrong // Your welcome if i'm correctand ((-Credit to Hona-Chan-))Here's a picture that might make ur day better ^v^!!∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨∨Do new trees provide the same resources for animals in the forest as adult trees do?
Answer:Yes, trees release oxygen and some produce food for the animals weather there young or old
Explanation:
Which item creates more than 50 decibels of sound?
A tall pea plant is crossed with a short pea plant. All of the offspring that are produced are tall. Two of these tall offspring
are crossed. The Punnett square for this cross is shown below.
Cross of heterozygous plants
Parent 1
Tt
Parent
Tt
t
T
T TT
Tt
t Tt
tt
What can be concluded from this cross?
Tall pea plants can only produce tall offspring.
B Tall pea plants can only produce short offspring.
Tall pea plants can create tall, medium and even short offspring,
Tall pea plants can carry the short trait and create some tall and short offspring.
Answer:
jdjdnsnsnsksksnsnsns mdmdndnsnsnsns smmsmsms
Answer:
Tall pea plants can carry the short trait and create some tall and short offspring.
Explanation:
There is no medium parent so no. There are small t's so no. As a result, it is short and tall.
An organism made up of many cells is called...
A. unicellular
B. multicellular
Answer:
B. multicellular
Explanation:
An organism made up of many cells is known as the multicellular organism.
what are three types of muscle tissues in the human body and where are they located
cardiac, smooth, and skeletal.
Interferons Interferons reduce macrophage chemotaxis to the infection. interfere with viral replication. prevent viruses from entering a cell. bind to viruses and destroy them. prevent viruses from leaving a cell.
Answer:
interfere with viral replication
Explanation:
Interferons (IFNs) are proteinous molecules, which are part of the innate immune system of our body. Interferons are produced in response to viral infections and they often specialize in preventing the virus pathogen from replicating or multiplying in the host cell.
As their name implies, INTERFERONS interfere with the replication of viral pathogens, hence, preventing the virus from further invading the host cell. This is done at the innate immunity level.
Can someone plz help me
Answer:
Circulatory system and Respiratory system
PLZ HELP!
What did the Fish and Wildlife Service (FWS) do to bring back black-footed ferrets from extinction?
The captive breeding program was implemented too late to save the black-footed ferret.
The FWS moved mating pairs from the Wyoming population to over 8 western states and Mexico to begin new colonies.
The FWS use a captive breeding program to start populations in 8 states.
The FWS monitored a Wyoming population and captured enough individuals to start new populations.
Answer:
The FWS use a captive breeding program to start populations in 8 states.
Explanation:
this is correct i got it right
how many sperm cells are formed from an original cell in a drosophila fruit fly at the conclusion of meiosis.
Answer:
Four sperm cells
Explanation:
what kind of trait is the shaded trait in the pedigree
Use Darwin's theory of Natural Selection to explain the process by which the four-legged land animal, A, may have evolved, over about 20 million years, from the fish-like creature, C, in the swampy conditions of the time.
Answer:
Due to environmental conditions.
Explanation:
With the passage of time, environmental conditions change which causes the evolution of of four legged land animals from fish like creature. This change occurs due to change in environment. In water, there is no need for legs because fish moves with the help of fins and tail but the organisms that lives on land has legs in order to move from one place to another so we can say that change in the physical structure of organism occurs due to environment.
1.Acidic water has a pH of 7 true or false
Answer:
False
Explanation:
Acidic water has a pH less than 7 because it is a dilute acid.
Which of the following allows
enormous lengths of DNA to
supercoil inside of a nucleus of a
cell?
A nucleosome
B. mitochondria
C. ribosome
carattarprani iastamal
Answer: mitochondria
Explanation: hope this helps
Answer:
histone proteins
Explanation:
for anyone on acellus that is the answer! just aced my exam :)
Fats are an important dietary requirement that play a number of roles in the body. Fats transport fat-soluble vitamins in the body, such as . The body can't synthesize and must obtain it through dietary intake.
Answer:
Vitamins A, D, E and K are fat-soluble vitamins.
Explanation:
Answer: Vitamin D and linoleic acid
Explanation: correct in plato
In humans, colorblindness is a recessive, sex-linked trait. What is the probability
that the children of a woman heterozygous for colorblindness and a man with
normal color vision will be colorblind?
Explanation:
Taking Xx as heterozygous and XX for normal
Woman =Xx Man =XX
all possible outcomes are XX, XX, XX and Xx
there is 0 probability of having a colorblind child
(But there is a 25 % chance that the child may be a carrier like its mother)
as the population size gets
The growth rate tends to
closer to the carrying capacity.
Answer:
As population size approaches the carrying capacity of the environment, the intensity of density-dependent factors increases. For example, competition for resources, predation, and rates of infection increase with population density and can eventually limit population size.
Explanation:
Hope this helps! ^_^
Cells are adapted to perform specific functions. Which of the following terms
refers to this capability?
A Individualization
B. Inheritance
Specialization
D Evolution
Answer:
Specialization
Explanation:
Specialization is the adaptation of an organ or part, to serve a special function or to suit a particular way of life.
3 ideas that an individual person can do to help. With air pollution?
Answer:
Reduce the number of trips you take in your car. Reduce or eliminate fireplace and wood stove use. Avoid burning leaves, trash, and other materials. Avoid using gas-powered lawn and garden equipment.
Explanation:
Ima different breed
Potatoes are a specialized stem that serve as a good source of carbohydrates.
What vascular tissue transported these carbohydrates?
Answer:
The phloem
Explanation:
In what form is the DNA found when a cell is beginning cell division or is involved in cell division?
A.) Centromere
B.) Chromosome
C.) Chromatin