what is true of a fossil that is classified as a transitional form?
Answers
Given our understanding of the situation, we can confirm that a fossil classified as a transitional form, will show characteristics both of its ancestors and of the descendants that derived from it.
Transitional fossils are just that, fossilized remains of a transitional phase of evolution. What this means is that as species evolve, there will always be a point in time where a species is at a halfway point in between the species from which it comes, and the species that it will become.
These fossils, due to being a halfway point, will have characteristics that belong to their ancestors, but also characteristics that belong to their descendants, which is only logical considering that evolution is a process that spans many generations, not something instant.
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Related Questions
Chromosome number is reduced from 2n to 1n. this occurs in ___________
anaphase l
telophase l
anaphase ll
telophase ll
Answers
Answer:
I'm not completely sure but I think anaphase 2
DNA is coded to RNA, which must travel from the nucleus to the cytoplasm to be read. Why does the cell need to transcribe the DNA into RNA rather than copying the DNA directly?(1 point)
DNA requires too much energy to code; building RNA is more efficient.
DNA cannot be copied; it must be translated to RNA and then back to DNA.
DNA is double stranded and cannot fit through the nuclear membrane; RNA is single stranded.
DNA cannot be read by ribosomes; they can only read RNA.
Answers
Answer:DNA is double stranded and cannot fit through the nuclear membrane; RNA is single stranded.
Explanation:
DNA is double stranded and cannot fit through the nuclear membrane; RNA is single stranded. DNA could get damaged because of the osmotic nature of cytoplasm. Therefore, option (C) is correct to mitigate he damage.
What is transcription?The proteins are produced by cells by the transcription and translation of certain genes from their DNA into molecules of messenger RNA (mRNA), chains of amino acids, and finally fully functioning proteins.
The DNA would need to go to the cytoplasm in order to directly make proteins. Because of the osmotic properties of cytoplasm, DNA may become damaged during the translocation process. The cellular machinery does not directly make proteins from DNA in order to reduce the harm.
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which molecule is most likely to diffuse through a cell membrane without the use of energy?
Answers
Frederick Griffith made a scientific discovery in 1928. which best describes the knowledge about genetics before 1928?
Answers
Answer:
Scientists did not know how traits were inherited.
Explanation:
As organisms release energy during cellular respiration, carbon dioxide is produced from the carbon in energy storage molecules. This process moves carbon from biotic to ________________ a the producers b the decomposers c abiotic matter
Answers
Answer:
Abiotic Matter
Explanation:
The connective tissue layer that surrounds an entire muscle is called ______. Multiple choice question. epimysium endomysium perimysium
Answers
Answer:
the answer is epimysium
Explanation:
The connective tissue layer that surrounds an entire muscle is called the epimysium, which is the first option as it is composed of dense, irregular connective tissue and serves to protect the muscle.
What is epimysium?The epimysium plays a role in transmitting force from the muscle to the surrounding structures and connects to the tendons and other connective tissues that attach the muscle to bone and other structures, and the epimysium is just one of the three connective tissue layers that make up the structure of a skeletal muscle; the other two layers are the perimysium and the endomysium, and together, these three layers of connective tissue provide the necessary structural support for skeletal muscles to function properly.
Hence, the connective tissue layer that surrounds an entire muscle is called the epimysium, which is the first option.
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6. Which objects are listed in order of scale from smallest to largest?
Sun, red giant, Earth, galaxy
red giant, Sun, galaxy, Earth
Earth, Sun, red giant, galaxy
galaxy, Earth, Sun, red giant
Answers
Give two ways that differentiation is the same in plants and animal.
Answers
Differentiation in plants and animals involves the specialization of cells for specific functions, and it results in the development of different tissues and organs.
What is differentiation in plants and animals?Differentiation refers to the process by which cells become specialized in structure and function. In plants and animals, this process occurs during development and results in the formation of different types of cells, tissues, and organs.
During differentiation, cells undergo changes in gene expression, which leads to the production of different types of proteins and other molecules. These changes can be triggered by various signals, such as hormones, growth factors, and environmental cues.
In animals, differentiation occurs during embryonic development and results in the formation of different types of tissues, such as muscle, bone, and nerve tissue. In plants, differentiation occurs during both embryonic development and growth and results in the formation of different types of tissues, such as root tissue, leaf tissue, and stem tissue.
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Which of the following muscles does NOT flex the wrist?
Answers
Answer:
b. Extensor digitorum
Explanation: is correct
Which of these statements could BEST describe the differences between the electron transport chain in cellular respiration and photosynthesis?
A
The electron transport chain in photosynthesis needs a source of energy to start with, and the one in cellular respiration does not.
В
The electron transport chain in cellular respiration releases ATP, and the one in photosynthesis does not.
C
The electron transport chain in cellular respiration uses oxygen, and the one in photosynthesis does not.
D
The electron transport chain in cellular respiration uses NADH, and the one in photosynthesis does not.
Answers
Answer:
c
Explanation:
etc uses oxygen
photosynthesis uses carbon dioxide
The best statements could describe the differences between the electron transport chain in cellular respiration and photosynthesis is the electron transport chain in cellular respiration uses oxygen, and the one in photosynthesis does not. Thus, option C is correct.
What is Photosynthesis?Photosynthesis is a biochemical reaction that combines chemicals with biological species to produce energy. Atoms of hydrogen bond with carbon to form glucose.
Carbon dioxide and hydrogen are the reactants that are used from the environment by the plants to make energy. Glucose and oxygen are the products. Splitting water into oxygen gas, hydrogen ions and electrons produces the energy for subsequent electron and proton transport and provides the energy to produce the sugars the plant needs.
The hydrogen atoms from the environment are absorbed by the plants and are combined with the carbon dioxide to yield glucose or sugar molecules for energy.
Therefore, The best statements could describe the differences between the electron transport chain in cellular respiration and photosynthesis is the electron transport chain in cellular respiration uses oxygen, and the one in photosynthesis does not. Thus, option C is correct.
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Which of the following is associated with plates moving away from each other? a. Rifts b. Subduction zones c. Faults d. All of the above.
Answers
Answer:
a. Rifts
Explanation:
A fault (c) happens at all plate boundaries, so while this is true, it is not the most correct. A subudction zone (b) is where Earth's tectonic plates dive down into the mantle, so this does not answer our question. A rift, in general, is a crack, split, or break in something. A rift in plate tectonics is when plates are moving apart from each other, caused be tension, so a is our answer.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
Answer:
A
Explanation:
the answer is A
Modern scientists can splice DNA from different species together to produce what is referred to as ______ DNA.
Answers
Answer
Recombinant DNA. a genetic material that has been spliced together from multiple types of organisms. Transgenic organism. an individual that receives recombinant DNA
Explanation:pa brainliest asnwer po
the right lung has ________ lobes, and the left lung has ________ lobes.
Answers
Answer:
3,2
Explanation:
dna is cut at __ sequences by restriction enzymes.
Answers
Answer:
the
Explanation:
DNA which is a genetic material is cut at restriction site or Target sequence
What is restriction enzymes?Restriction enzymes refers to protein that is produce by bacteria and recognizes a DNA by cleaving to it and cuts the DNA only at that specific site, which is known as restriction site or target sequence.
DNA is the genetic constituent of a living organism.
Therefore, DNA is cut at restriction site or Target sequence
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what is the function of restriction enzymes in bacteria?
Answers
Explanation:
A restriction enzyme is an enzyme isolated from bacteria that cuts DNA molecules at specific sequences. The isolation of these enzymes was critical to the development of recombinant DNA (rDNA) technology and genetic engineering.
mark me as brainlist pleaseThe outermost layer of rock on the earth is called
the crust, which includes the continental crust
and oceanic crust. Why is the oceanic crust
much thinner than the continental crust,
but much more dense?
A it's composed of silica which
is high in oxygen and silicon
B it's composed of basalt which
is high in iron and magnesium
C it's under the ocean
D it's younger
Answers
Answer:
B
Explanation:
The density of continental crust is 2.9 g/cm^3. Oceanic crust, while thinner, is made of mafic materials (Fe, Mg)-- mainly basalt
HELLLP!!!!! Seeds are one way that plants reproduce. What are the reproductive advantages of using seeds to reproduce? What are the two major divisions of seed plants, and how do plants in each of these divisions reproduce?\
Answers
Explanation:
1-Seeds provide a protective coat so that the embryo plant can develop when it finds a nice piece of soil.
2-Vascular plants are subdivided into two classes: seedless plants, which probably evolved first (including lycophytes and pterophytes), and seed plants. Seed-producing plants include gymnosperms, which produce “naked” seeds, and angiosperms, which reproduce by flowering.
Here u go <3
Answer:
The Seed Coat. The seed coat is one major advantage seeds have over spores. Nourishment. Each seed contains nourishment for the embryo inside the seed.
Explanation:
Is alfalfa gmo? Yes or no
Answers
Answer:
Yes, I'm pretty sure it is. Hopefully, this helps.
Explanation:
Answer:
yee
Explanation:
What are Spore-bearing structures in fungi called what?
Answers
Answer:
Fruting bodies
Explanation:
Fungi can produce spores on somatic hyphae or on special spore producing hyphae which are arranged into structers called fruting bodies.
explain why you have so many responses to one stimulus
Answers
Answer:
When a stimulus is detected by a sensory receptor, it can elicit a reflex via stimulus transduction.
what is the difference between biology and technology
Answers
Answer:
Biology as a subject studies living beings whereas biotechnology is a related branch of biology which deals with the living organisms to develop various products for human beings. To put it in simpler words, biology focuses on the life forms and life processes within the living organisms.Those who argue that biology and genetics have the strongest influence on development emphasize ________.
Answers
Those who argue that biology and genetics have the strongest influence on development emphasize nature.
What are the influence of the nature in the development?The natures refers the hereditary factors or genes of the child.It helps in building a child's personality traits.It also defines the child's physical appearance.The biology influence development by the gene. One gene cane interact with other gene and environment in which some dominantThe biologically determined characteristics (nature) includes certain genetic diseases ,eye color, hair color, and skin color. The other things are also includes like life expectancy and height but it is also depends upon environment and lifestyle of individual.
The biological factors which includes genetic influences , brain chemistry, hormone levels, nutrition and gender.
The five different forces the influenced human evolution like nature selection, random genetics drifts, mutation, population mating structure and culture.
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Cellular organelles have different structures. Mitochondria, for example, possess highly folded inner membranes in addition to their outer membranes. Vacuoles, on the other hand, are only surrounded by a single-layer membrane; they do not have an inner membrane.
Why do cellular organelles have different structures?
A.
Organelles that are less important to the cell have less sophisticated structures.
B.
All of the organelles in a particular organism are identical, but organelles in different organisms are unique.
C.
The structure of a cellular organelle mimics the appearance of the organism.
D.
The structures of cellular organelles are related to their functions.
Answers
Answer:
D
Explanation:
Different oganelles do their own function.
The structures of organelles differ because the structures of organelles are related to their functions.
What are the functions of cell organelles?An organelle is a subcellular structure that has one or more specific functions in a cell, such as an organelle in the body. The most important cell organelles are the nuclei, which store genetic information.
Organelles are small structures in the cytoplasm that perform functions necessary to maintain homeostasis in the cell. They are involved in many processes, such as energy production, the formation of proteins and secretions, the destruction of toxins, and responding to external signals.
Examples of membrane-bound organelles include the nucleus, endoplasmic reticulum, Golgi apparatus, mitochondria, plastids, lysosomes, and vacuoles.
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What are not examples of limiting nutrients
Answers
Answer:
Variations in the supply of a non-limiting nutrient do not affect the growth of autotrophs, and thus they do not affect the concentrations of the limiting nutrient in either the accessible or the inaccessible pool.
PLS HELP ASAP THANKS ILL GIVE BRAINLKEST
Answers
If you help me I'll give you a brain list
Answers
I answered the first image in another question for you, though I noticed that the heart to body question was never answered (or at least properly answered).
The blood leaves our heart through the aortic valve, and travels into the aorta which ultimately leads to the body.
Hope this helps!
i cant understand this huh
Answers
Answer:
Ciliated epithelium
When the columnar or cuboidal cells bear cilia on their free surface they are called ciliated epithelium. Their function is to move particles or mucus in a specific direction over the epithelium organs like bronchioles and fallopian tubules.
why did the early atmosphere not have much oxygen?
Answers
Answer:
The oxygen did not build up in the atmosphere for a long time, since it was absorbed by rocks that could be easily oxidized (rusted). To this day, most of the oxygen produced over time is locked up in the ancient "banded rock" and "red bed" rock formations found in ancient sedimentary rock.
The sensory __________, such as the ear and eye, are sensitive to external or internal stimuli. Organs receptors transduction adaptation.
Answers
Answer:
organs
Explanation:
took on test
Which term refers to the microscopic physical gap between the presynaptic and postsynaptic neurons at a chemical synapse
Answers
The gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.
The neurons are the smallest units of the nervous system. They are equally referred to as the nerve cells.
The presynaptic neurons that receives the fired action potential through its axon terminals.
This leads to release of neurotransmitters found in the synaptic vesicles of the presynaptic neurons.
These neurotransmitter are released into the physical gap between the presynaptic and postsynaptic neurons called the Synaptic cleft.
The neurotransmitters are then received by the postsynaptic neurons.
Therefore, the gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.
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