Answer:
the three statements are true
Explanation:
Gradualism refers to a scientific theory that states that the emergence of new life forms, especially at the species level, is due to gradual steps, instead of abrupt steps (conversely to the idea of catastrophism). Darwin's theory states that evolution is a gradual process, suggesting that extreme phenotypic changes are removed by natural selection. Thus, gradualism indicates that selection and variation are processes that occurr slowly, while conspicuous phenotypic changes observed among higher taxa are due to the accumulation of many small morphological variations over evolutionary time.
Which of these statements is true about internal respiration?
[a] Production of ATP
[b] Exchange of gases between the bloodstream and tissue cells
[c] Exchange of gases between alveoli and the bloodstream
[d] Breathing between the atmosphere and the alveoli
Answer:
c
Explanation:
because I don't know how to exam tho
Exchange of gases between alveoli and the bloodstream ( Option C )
Internal respiration is the process of exchanging gases ( i.e. carbon dioxide and oxygen ) between the bloodstream and the alveoli of an organism. as seen in human.
Internal respiration ( exchange of gases) occurs between Alveoli and the bloodstream. While External respiration occurs between the atmosphere and the alveoli.Also the Alveoli is important in both external and internal respiration. but for internal respiration, the alveoli exchanges gases with the bloodstream before it is passed to the internal issues .
Hence we can conclude that the true statement about internal respiration is ; Exchange of gases between the alveoli and the bloodstream.
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We learned that Robert Hooke named cells from the Latin, cella, which means "small room". Do you think Mr. Hooke was observing plant or animals cells when he named them? How do you know?
Answer:
Plant cells
Explanation:
Visually, plant cells are more rectangular and organized as compared to animal cells which are more diverse in shape. I hope this can help you!
How does population growth differ between developing countries and developed countries? What might account for these differences?
Answer:
Developing countries have a low life expectancy because things like water might be populated/scarce, the air may be polluted and immunisation might not be possible. But developed countries are more likely to have safe drinking water, and vaccines.
Which statement best describes the continued existence of the giraffe and okapi?
Answer:
A
Explanation:
I would assume they would most likely be not be able to interbreed because they are geographically and genetically separated.
Question 2 of 5
Which behavior would you expect from the small fish on a warmer-than-
average day?
A. Narrowing of its blood vessels
B. Faster swimming
C. Movement to shaded waters
D. Flying instead of swimming
I NEEEDDDD HEEELPPPP PLEEEASEEE
Answer:3rd option
Explanation: Trust
Help please and thank you
The energy stored in the
gradient is used
with ATP synthase to build ATP.
Answer:
would the answer be hydrogen ion gradient
A woman gets sick with a bacterial infection and takes an antibiotic to kill the bacteria. A few of the bacteria survived and produced a population of bacteria that was resistant to the antibiotic. Which statement best describes how this happened? A. A species will adapt no matter what the environment B. The environment has no effect on the survival of an organism C. Antibiotics cause mutations in bacteria that are passed on to the next generation D. Only bacteria that already have favorable variations in their DNA survive the antibiotic and reproduce
Answer:
D is the answer
Explanation:
Define the following :
-self-concept
-self motivation
-volunteer
-self-image
-Adolescents
Answer:
Self-concept is the set of ideas that make up the image that each person has about himself, that is, it is the opinion that an individual forges about himself. That sentence carries a certain value judgment. Self-concept: set of elements that a person uses to describe himself. Self-motivation is giving the reasons, the drive, the enthusiasm and the interest that provoke a specific action or a certain behavior. Volunteer is the person who, by his own choice, dedicates part of a part of his time to solidary, altruistic action, without receiving remuneration in return. The stage that comes after childhood and that ranges from puberty to the full development of the body is known as adolescence. Self-image is the value we have in relation to ourselves.
Explanation:
Self-concept: set of elements that a person uses to describe himself. The ability to motivate yourself is what is known as self-motivation. This is an important skill, as it encourages people to continue progressing even in the face of setbacks, to seize opportunities and to show commitment to what they want to achieve. Volunteer is that person who joins an organization in a free way to help altruistically in various social activities. When we speak of self-image we refer to the image that our subconscious has of ourselves. Adolescence is understood as the period of human development after childhood and before adulthood, in which the biological, sexual, social and psychological changes necessary to form a socially mature individual and physically prepared for reproduction take place.
Think of an object, person place at home that functions similar to the cytoplasm .
HELP BIO
whichever lad/lass is right gets branliest and a light saber
Which phrase, if placed in box X, would correctly complete the flowchart shown below?
Decreased concentration of oxygen in leaf cells
Increased use of starch in root cells
Increased concentration of glucose in leaf cells
Decreased ATP in root cells
Answer: Increased concentration of glucose in leaf cells
Explanation:
Based off the flowchart, the process that it's describing is photosynthesis because during this process sunlight and CO2 are taken in by a plant to produce glucose. If we are exposed to sunlight and are increasing the use of CO2, then there must be a higher concentration of glucose in the leaf cells. Glucose is a product of photosynthesis.
Give a reasons why
accumulation of lactic acid during vigorous
exercise leads to an increcise in heartbeat
Please answer quick!! Given the following template strand, write in the sequence of the complementary DNA
strand.
Template DNA strand:
TAC GAA GTC CCT TAG
Complementary DNA strand:
Answer:
ATG CTT CAG GGA ATC
Explanation:
Using Chargaff's rule:
A=T
G=C
You can find the DNA complentary strand
Which of the following does not represent a condition required for natural selection to occur?
How many anatomical characteristics do Cetaceans share with Mammals?
Answer:
Anatomy suggests that Cetaceans are more closely related to mammals than fish since they share more similarities with the mammals, such as a 4-chambered heart and lungs. What does anatomy say about the ancestry of Cetaceans?
Explanation:
Hope it helps! Correct me if I am wrong :>
Anatomy suggests that Cetaceans more closely resemble mammals. Cetaceans have a 4-chambered heart, lungs to breathe, giving birth to young ones, mammary glands, endothermic, etc.
What are Cetaceans?Cetaceans can be called aquatic mammals and it includes whales, dolphins, etc.
These are one of the most distinctive and highly specialized orders of mammals.
They are more likely to have anatomical characteristics of mammals than fish. As they have a 4-chambered heart, are endothermic, give birth to young ones, and have mammary glands, these are considered under mammals.
Thus, these are the characteristics that Cetaceans share with mammals.
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Use the following terms: Natural Selection, Variation, Mutation, Adaptation, Overproduction, Descent with Modification, Evolution, Population, Species, Heritability, and Fitness and show the relationship between them that lead to the result, Evolution.
Answer:
Variations in species led to evolution. Some species have desirable traits that are beneficial to their survival. Some species have undesirable traits that are not beneficial to their survival. E.g. peppered moths are not easily seen by predators because they camouflage with the bark, black moths are easily seen by predators so they are eaten. In the example mentioned, the peppered moths have a beneficial trait, this is also known as fitness, because the organism is fit for survival, unlike the black moths. Overtime the population of black moths decreases because they are not fit for survival, therefore the black moths cannot reproduce offspring that also have black wings. However, the population of peppered moths increases, because the peppered moths are able to reproduce offspring. Those offspring inherit their parents' traits, which make them have peppered wings too.
Transcribe this sequence of DNA to RNA: ATTGAC
Answer:
your can write fast summary about it if you have test or smth
First, think about which base pairs arise in complementary strands of DNA:
DNA → DNA
adenine → thymine (A → T)
thymine → adenine (T → A)
cytosine → guanine (C → G)
guanine → cytosine (G → C)
However, mRNA does not consist of the same four bases as DNA. While DNA has the ATCG nitrogenous bases, RNA replaces thymine with uracil, making its bases AUCG.
So, that means that whenever DNA has adenine, instead of pairing this with thymine, RNA will use uracil instead.
DNA → RNA
adenine → uracil (A → U)
thymine → adenine (T → A)
cytosine → guanine (C → G)
guanine → cytosine (G → C)
Giving us the corresponding sequence:
UAGGCUAA
Transcribe this sequence of DNA to RNA: ATTGAC
Learning Task 5: Write at least five benefits derived from planting trees
and fruit bearing trees to families and communities.
1________________
2_________________
3__________________
4____________________
5_____________________
Help plz this is science
HELP! Information from dna is transcripted into__
Answer:
1) MRNA
2) Triplet code
3) Amino acid
4) protein
Please help on this one
Answer:
A. Class
Explanation:
As you look at Animal l column and Animal V column you can see their first difference appears in the class row.
Chemicals used to kill insects and other pests that diminish crop yields are called
A) asbestos
B) pesticides
C) carbon sinks
D) myrmecophytes
E) carcinogens
Answer:
B) Pesticides
Explanation:
Which person is least likely to be concerned about potential long-term side
effects of genetically modified (GM) food?
A. A wealthy mother
B. The owner of an organic farm
C. A biology researcher
D. A child who is starving
In which type of symbiotic relationship does one organism benefit and the other is neither helped nor harmed?
A. Competition
B. Commensalism
C. Mutualism
D. Parasitism
Answer:
Commensalism
Explanation:
Mutualism- both benefit
Parasitism- One benefits, the other is harmed
Competion- fite
Answer:
commensalism
Explanation:
just did the test
HELP PLEASE IM BEGGING YOU
Answer:
You have the right answer, its B.
Explanation:
how are organisms classified into domains?
Explain a situation in which a cell would need to use an input of energy to
transport materials across the cell membrane.
HELP DUE IN 10 MINS!
Plants gather the sun’s energy with light-absorbing molecules called------such as ------
a. Chloroplasts, chlorophyll
b. Pigments, chlorophyll
c. Thylakoids, grana
Answer:
It's B; Pigments and Chlorophyll.
Hope you pass your assignment!
Answer:
b . pigments, chlorophyllNEED ANSWERED ASAP!!!!
WILL GIVE BRAINIEST!!
if a material has a radioactivity level of 100 curies and has a half-life of 10 years, how many half lives will have occurred after 100 years?
Answer:
i think its 5 but im only in 7th grade so heh but im pretty sure
pretty surrExplanation: