The Wallace Line separates marsupials from what other kinds of species?
Answer:
The Wallace Line separates marsupials from placental mammals.
The outermost layer of earth's atmosphere is
A.troposphere
B.startosphere
C.mesosphere
D.thermosphere
Answer:
the answer is D. Thermosphere
Imagine a bird has a very specific adaptation. Another similar bird in the area doesn’t have the same adaptation. I’m just wondering, how does this work? Why don’t they have the same adaptation?
Answer:
evolution
Explanation:
adaptations are the result of evolution. Evolution is a change in a species over long periods of time.
The line on which an object rotates is defined as
Answer:
An axis is an invisible line about which an object rotates, or spins.
Explanation:
Typical gram-negative bacteria are more impervious to the action of antimicrobial chemicals than are gram-positives because gram-negatives have a(n)
As gram-negative bacteria have an extra layer of cell wall therefore it is less sensitive towards antimicrobial chemicals than gram-positive bacteria.
Why gram-positives are less impervious to the action of antimicrobial chemicals?Gram-positive bacterial cell wall is made up of only the peptidoglycan layer and it does not have an extra barrier that protects it from some antimicrobial chemicals.
Gram-negative bacteria have two layers of cell wall peptidoglycan layer and a lipopolysaccharide layer.
Thus, gram-negative bacteria have an extra layer of cell wall.
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Scientists were studying the DNA from Antarctic fish, including two species of icefish, that have no hemoglobin in their blood. They constructed the following cladogram.
What can be interpreted from this cladogram?
Select all that apply.
A.The most closely related species to the hemoglobinless icefish is C. mawsoni.
B. The C. anarcticus is more closely related to C. mawsoni than it is to the other hemoglobinless icefish.
C. N. corliceps is the closest relative to the hemoglobinless icefish from the fish that were studied.
D. The two species of hemoglobinless icefish are more closely related to each other than they are to other Antarctic fish studied.
What can be interpreted from this cladogram is that the two hemoglobin-free icefish species are more closely related to each other than to other Antarctic fish studied.
What is cladogram example?The cladogram is an important graphic tool used in phylogenetic studies, and represents the evolutionary relationships between different groups of organisms, such as
fishmammalsreptiles and birds.With this information, we can conclude that what can be interpreted from this cladogram is that the two hemoglobin-free icefish species are more closely related to each other than to other Antarctic fish studied.
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Help Is it a b c or d
Which factor most accurately describes the statement ""survival of the fittest"" in relation to natural selection?.
Answer:
Predators
Explanation:
With natural selection, survival of the fittest can mean many things however one of the factors of which accurately describes the statement would be predators.
Asthma is a condition that causes the airways to constrict, limiting the amount of air that can make it into the lungs. Asthma attacks are generally caused by allergens in the environment and
the overreaction of which body system?
A.Circulatory
B.Digestive
C.Integumentary
D. Immune
Answer:
immune.
the answer is D.
hope it helps you.
Which scientist argued that the mind and body were completely separate entities?
Question 14 options:
Walter Cannon
Descartes
Kurt Lewin
Hans Seyle
Answer:
Walter Cannon
Explanation:
as he came up with the theory on how to separate the mind and body
would an Egyptian pyramid that is 4500 years old be considered a fossil?
An Egyptian pyramid that is 4500 years old will be considered as a fossil in this scenario.
What is a Fossil?This is defined as trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.
Since it has been discovered that the egyptian pyramid contains thousands of marine fossils then it can be generally referred to as a fossil.
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what are the three reasons that people kill sharks?
Fear
Food
Hunting
Showing off to others
Profit
what organism in this diagram is a secondary consumer
Answer:
upload the picture or tell me which order the animals and what they are in and i will be able to anwser within the comment's
Explanation:
Where are photoreceptors located.
Answer:
The Retina
Explanation:
The photoreceptors lie at the back of the retina
Please help I'm confused!
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Tell me what to drag and the answer for the one is blank
The steps of protein synthesis are initiation, elongation, and termination.
Steps in protein synthesisThere are three steps in protein synthesis:
Initiation: during which the messenger RNA, the ribosome subunits, and the necessary enzymes all bind together to form the translation bubble and initiate the translation process. Elongation: during which the peptide chain grows by the continuous addition of amino acids.Termination: when the protein synthesis stops as a result of reading the stop codon on the messenger RNA.More on protein synthesis can be found here: https://brainly.com/question/16305501
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Which processes involve the production of identical daughter cells
Answer:
mitosis
Explanation:
mitosis is a cellular division that yields two daughter cells that are identical to parent cell.
what are the characteristics of life on earth?
Answer:
Characters of life on Earth:Growth and Reproduction: Living organisms are able to grow and reproduce fertile offsprings.Genetics: Living organisms have the ability to the pass their traits on to their next generation.Response: Living organisms are able to respond to any stimuli.Respiration: Living organisms can respire, breath which makes them different from non-living organisms.Cellularity: Living things are made up of living cells.Homeostasis: Living things are able to balance their internal environment despite of what's happening in the external environment which is homeostasis.[tex]\rule[225]{225}{2}[/tex]
This is how a SIM medium looks after 24 hours and the addition of indole reagent. Is the unknown bacterium positive or negative for H2S production, indole production, and motility
In the test tube pink colour shows that it is indole positive and H2S positive bacteria and it is non motile.
What is the indole positive?Within seconds of introducing the reagent, a pink color appears in the reagent layer on top of the agar deep, indicating a positive indole test. The reagent layer will stay yellow or slightly hazy if the culture is indole negative.
When an organism converts sulfur to hydrogen sulfide, the hydrogen sulfide reacts with iron to generate ferric sulfide, a black precipitate. The presence of blackening in the medium suggests a reduction in sulfur, which is a +ve sign.
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In order for high level expression of the E. coli lac operon to occur, a complex of catabolite activator protein and __________ must be bound to the DNA near the promoter.
In order for high level expression of the E. coli lac operon to occur a complex of catabolite activator protein and __CAMP__must be bound to the DNA.
What is E. coli lac operon ?The E. coli lac operon is consisted of genes which are involved in the metabolism of lactose in the presence of lactose and absence of glucose. the operon is turned off and on by regulators based on the different levels of glucose and lactose.
Hence we can conclude that In order for high level expression of the E. coli lac operon to occur a complex of catabolite activator protein and __CAMP__must be bound to the DNA.
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the tiny hairs that keep mucus and dirt out of your lungs are called:
Answer:
The bronchus in the lungs are lined with hair-like projections called cilia that move microbes and debris up and out of the airways. Scattered throughout the cilia are goblet cells that secrete mucus which helps protect the lining of the bronchus and trap microorganisms.
Explanation:
Answer:
Cilla
Explanation:
Cilla keeps mucus and dirt out of our lungs.
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how do the x and y chromosomes differ
Answer:
see the attached file! (≡^∇^≡)
the basic structural and functional unit of the human body is
Prenatal development begins with ______ and ends with ______. Multiple choice question. organogenesis; ovulation fertilization; birth ovulation; fertilization birth; death
How do climate and weather differ?
A- weather is predictable
B- weather changes quickly
C- climate changes with seasons
Answer:
A. weather is predictable climate is not
Explanation:
Which interaction helps stabilize the tertiary level of protein organization?.
Answer:
Interactions among R groups results in hydrophobic interactions, hydrogen bonds, salt bridges, and sulfur-sulfur covalent bonds.
Explanation:
The above listed interactions help stabilize the protien organization (R group is the main player)
Which one of the following human activities is the greatest threat to biodiversity?
A. Habitat destruction
B. Climate change
C. Introduced species
D. Pollution
E. Overharvesting
Answer:
Overharvesting
Explanation:
Too much harvest and planting causes the soil to wear down and be less useful.
Answer:
B) Climate Change
Explanation:
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What does it mean that Oxygen and Water can exist in a gas state but at vastly different temperatures?
Answer: Water molecules are strongly attracted to each other, so they remain condensed (that is, a liquid, and not a gas) at higher temperatures. Dihydrogen and dioxygen have no strong attractive forces to hold the molecules together, so they exist as gases at room temperature and pressure (that is, in our everyday lives).
Explanation:
Which of the following is defined as a system in the food production process that falls outside of pre-
determined regulators?
O non-conforming
out of control
O unregulated
O out of compliance
Explanation:
non-conforming
out of control
why farmers are manuring at the roots of the plant
Answer:healthy plants
Explanation:the farmers use raw manure on their fields because it is an excellent source of nitrogen (N), phosphorus (P) and potassium (K), which are all nutrients necessary for plants to grow and thrive.
Answer:
The reason why farmers put manure at the roots of the plants is because that is how most of the nutrition is taking up into the plant. Most of the minerals in the earth are absorbed into the plant for usage by the roots which is why the manure would be placed where the roots are. However, it's important to not put too much because that can actually cause the roots to get burned because there is too much minerals so it's important to keep a balance.
why are stars not distributed uniformly throughout the universe
