I'm pretty sure its water
Que tipo de ecosistema tienen los pingüinos emperador y Adelia?
Answer:
Los pingüinos Adelia viven en el continente antártico y en muchas pequeñas islas costeras circundantes. Pasan el invierno en alta mar en los mares que rodean el hielo antártico.
Los pingüinos emperador viven exclusivamente en entornos antárticos gélidos. Prefieren reproducirse durante el invierno, cuando el hielo se congela y se estabiliza. Estos pingüinos suelen crear colonias de reproducción en áreas cercanas a icebergs y acantilados helados, que los protegen de los peores vientos fuertes.
Explanation:
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which best describes a bacterium
Answer:
Bacteria
Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Wikipedia
Explanation:
a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.
What type of evolutionary adaptations did plants acquire to allow them to grow in areas that were not directly on a water source?
Answer:
Plants developed roots to absorb water from the ground
Answer:
Vascular seedless plants evolved specific structures to transport and hold fluids, reducing dependence on water sources.
Explanation:
If given the ability to hold on to water, the plant does not have to frow directly on a water source.
Genetic variation is more commonly found in sexually reproducing organisms, as compared to asexually reproducing organisms, because
1 point
in asexual reproduction gametes fuse to lead to new genetic combinations
in sexual reproduction the gametes formed are all genetically identical
in asexual reproduction the gametes formed are genetically different
in sexual reproduction gametes fuse to lead to new genetic combinations
Answer:
In sexual reproduction gametes fuse to lead to new genetic combinations
Explanation:
In sexually reproducing organisms, there are two parents who create genetically diverse offspring.
This occurs because the gametes of the two parents combine to create very unique genetic combinations, which lead to increased genetic variation.
On the other hand, asexually reproducing organisms reproduce without a partner.
Their offspring are identical clones to the parent, so they have much less genetic variation.
So, the correct answer is that In sexual reproduction gametes fuse to lead to new genetic combinations.
identiying Parts of Spheres Use the drop-down menus to identify the spheres to which each part belongs.
A lake is part of the ___
Water vapor in the air is part of the___
Glacier and iceburgs are part of the___
The rocky mountains are part of the___
A deer is part of the____
Answer:
Answer is
A lake is part of the hydrosphere.
Water vapor in the air is part of the atmosphere.
Glacier and icebergs are part of the cryosphere.
The Rocky Mountains are part of the geosphere.
A deer is part of the biosphere.
Which capacity makes living beings to adjust in hard environment
The biological referred to as Adaptation makes living beings to adjust in exhausting atmosphere.
Adaptation, in biology, is that the method by that species measure suitable their several atmosphere, thanks to Natural Selection’s method ensuing into patrimonial variation over many generations.
What is Adaptation?According to Evolution, Adaptation method is that the process underneath that organisms suits the present atmosphere in conjunction with the modifications thanks to change in atmosphere.
Adaptation is connected with the idea of evolution that was propounded by Darwin and Wallace.
According to Wallace, the evolution of organisms was supported 2 factors: Adaptation and dynamic atmosphere.
To develop the idea of evolution by survival, Wallace and Darwin targeted not solely on straightforward adaptation however additionally proceeded more to clarify however organisms adapt and evolve.
Biologically Adaptation will be in 3 forms:
- Psychological kind
- generative kind
- sequence Frequency
Psychological form- associate degree animal or plant adapt by adjusting consistent with its immediate atmosphere.
Example- modification in temperature or metabolism with a rise in altitude
Reproductive form- method of adaptation thanks to genetic variations among people that is customized i.e. having larger success in—a specific environmental context.
Gene frequency- the method of adaptation happens through associate degree ultimate modification within the sequence frequency relative to blessings bestowed by a selected characteristic, like the coloration of wings within the moths.
Organisms will adapt to associate degree atmosphere in several ways in which. they will adapt biologically, which means they alter body functions
Example- individuals living at high altitudes have evolved changes in their body chemistry and may survive at high altitudes for a brief time as a result of their bodies raise their levels of hemoprotein.
They can additionally exhibit activity adaptation.
Example of activity adaptation is however emperor penguins in Antarctica foregather to share their heat within the middle of winter.
What is theory of Natural Selection?The theory of survival was given by Darwin in 1859.
Natural selection is that the method through that populations of living organisms adapt and alter.
Individuals in an exceedingly population square measure naturally variable, which means that they're all completely different in some ways in which.
This variation means some people have traits higher suited to the atmosphere than others. people with adaptive traits—traits that provide them some advantage—are a lot of seemingly to survive and reproduce.
These people then pass the adaptive traits on to their offspring. Over time, these advantageous traits become a lot of common within the population.
Through this method of survival, favorable traits square measure transmitted through generations.
Natural selection will cause phylogeny, wherever one species offers rise to a replacement and clearly completely different species. it's one among the processes that drives evolution and helps to clarify the range of life on Earth.
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which structure will be found in the nucleus of body cells in a woman?
a) x allele
b) x chromosomes
c) y allele
d) y chromosome
The x chromosomes are found in the nucleus of body cells in a women. Thus option b is correct.
What are chromosomes?Chromosomes are defined as a thread like structure located in the nucleus of every cell in our body and are formed of tightly coiled DNA surrounding proteins.
Chromosomes plays very important role in human body.
The primary purpose of chromosomes is to transport DNA and genetic information from parents to offspring.
It play a vital role during cell division.
They keep DNA from becoming twisted and damaged.
There are basically two types of chromosomes.
AutosomesSex chromosomesThus, the x chromosomes are found in the nucleus of body cells in a women. Thus option b is correct.
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Explain why stem cell research is a controversial subject. What are some of the sources for stem cells?
Answer:
Stem cell research is a controversial subject because they are human embryonic stem cell (hESC), and obtaining stem cells involves the destruction of human embryos
Explanation:
The inner cell mass of a 5 to 7-day-old blastocyst can be used to generate pluripotent stem cell lines. Human embryonic stem cell investigation, on the other hand, is morally and politically fraught since it encompasses the killing of human embryos.
What are stem cells?Stem cells are the primary raw material of the body, the cells that give rise to every other cells with specialized functions.
Under the right circumstances, stem cells differentiate to form the most cells known as daughter cells in the body or in a research lab.
Stem cells are mostly found in bone marrow. This is how they divide in order to produce new blood cells.
Once mature, blood cells end up leaving the bone marrow and reach the bloodstream. A small number of immature stem cells enter the bloodstream.
Bone Marrow has long been thought to be the best source of stem cells.
Previously, if a patient required a stem cell transplant but didn't have access to umbilical cord blood stem cells, they earned a bone marrow transplant.
Thus, this is the reason to have stem cell research as a controversial subject.
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Identify the graph that matches each of the
following stories:
a. I had just left home when I realized I had forgotten my books so I went back to pick them up.
b. Things went fine until I had a flat tire.
c.I started out calmly, but sped up when I realized I was going to be late.
Answer:
A. 4, B. 2, C. 1
Explanation:
If any type of rock experiences intense heat and pressure, it changes into __________ rock.
Answer:
metamorphic rock is the answer to your question.
Identify the four key concepts of Darwin's theory of natural selection. (2 marks)
Explain how Lamarck's theory was different and why it got rejected over time. (2 marks)
by which large pieces of food are cut and crushed into
smaller pieces is called
a. emulsification b. chemical digestion
c. absorption de mechanical d
5. The tube that connects the mouth to the stomach is the
a. esophagus. b.epiglottis
c. peristalsis. d. pancreas.
5. The hard, outer coating of the tooth is called
a, a molar.
b. enamel.
c. an enzyme. d. dentin
- The building blocks of proteins are
a. enzymes. b. minerals,
c. amino acids, d. molecules
5. Which of the following vitamins is made by the body?
a. vitamin D- b. vitamin A c. vitamin C d. vitamin B
. Having too little of the mineral iron can cause
a. rickets.
b. goiter.
c. anemia d. beriberi.
The wavelike motion that moves food through the digestive tract is called
a. emulsification b. digestion. c. oxidation d. peristalsis.
. The enzyme that digests proteins is called
a. gastric juice. b. pepsin. c. chyme. d. lipase.
Food leaves the stomach in a thick, liquid form called
a. chyme. b. bile с. pepsin.
d. saliva
The movement of food molecules from the digestive system to the blood is called
a. emulsification. b. chemical digestion. c. absorption d. peristalsis.
Gastric juice contains all of the following except
a. hydrochloric acid
b. mucus c. pepsin
d. bile
The process by which large food molecules are broken down into smaller food
molecules is
a. chemical digestion. b. oxidation c. mechanical digestion d. absorption
d. mouth
Fats are digested in the
a. large intestine b. small intestine. c. stomach.
Poor nutrition caused by an unbalanced diet is called
a. rickets. b. anemia. c. malnutrition
d. goiter.
The fingerlike projections on the lining of the small intestine are called
h cilia
d. villi.
c. bile
Answer:
by which large pieces of food are cut and crushed into
by which large pieces of food are cut and crushed intosmaller pieces is called:
d. mechanical digestion
5. The tube that connects the mouth to the stomach is the:
a. oesophagus
5. The hard, outer coating of the tooth is called:
b. enamel
- The building blocks of proteins are:
c. amino acids
5. Which of the following vitamins is made by the body?
a. vitamin D- b. vitamin A c. vitamin C
. Having too little of the mineral iron can cause:
b. goitre
The wavelike motion that moves food through the digestive tract is called:
d. peristalsis
Gastric juice contains all of the following except:
d. bile
The process by which large food molecules are broken down into smaller food
The process by which large food molecules are broken down into smaller foodmolecules is:
c. mechanical digestion
Fats are digested in the:
b. small intestine
Poor nutrition caused by an unbalanced diet is called:
c. malnutrition
The fingerlike projections on the lining of the small intestine are called:
b. villi
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Answer:
d. mechanical digestion
a. esophagus
b. enamel
c. amino acids
a. vitamin D
c. anemia
d. peristalsis
b. pepsin
a. chyme
c. absorption
b. mucus
a. chemical digestion
b. small intestine
c. malnutrition
b. villi
Not 100% sure on some of these but very positive on most of them :) Hope this helps.
Explanation:
Need help someone knows the answer
Answer:
d. landfill materials
Explanation:
What are the physical characteristics that all specimens have in common
The physical characteristics that all specimens have in common can be presence of cells, as there is no specimen given, let's take animals. A dichotomous key can be used to find the similarity.
What is a specimen?A specimen can be anything that is displayed regarding the subject. In labs the specimens can be chemicals, animals, plants, any objects, etc.
Specimens are displayed to learn about them, to see the actual version of that animal that can not be seen easily.
Thus, Because no specimen is provided, let's take animals as an example, the presence of cells is a trait that all specimens share. To find the similarity, a dichotomous key might be utilized.
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Which is a benefit of binomial nomenclature?
1.Fewer common names
2.Increased understanding and communication
3.Reduced plant-related poisoning
4.Better understanding of genetics of plants
Where do convection currents occur atmophere
Answer:
Convection takes place in the atmosphere, in the oceans, and in Earth's molten subcrustal asthenosphere.
Explanation:
can you suggest me some biology experimental project work topics?
Answers:
1. General
2. Reproduction
3. Health
4. Genetic Engineering
5. Technical Experiments on Humans
6. Relationships and Media
7. War
8. Information and Communication Tech
9. Computer Science and Robotics
Approximately how many mutations occur naturally in DNA per 10,000 bases?
A. 2
B. 2000
C. 200
D. 20
Explanation:
Modern methods indicate that the mutation rate is roughly one to two mutation per 10,000 genes per generation.
In human cells, approximately TWO (2) MUTATIONS occur naturally in DNA per 10,000 bases (Option A is correct).
The mutation rate (u) refers to the occurrence of new mutations in a given nucleotide sequence over time.In human cells, the mutation rate is approximately 10⁻⁴ per generation.Therefore, in a DNA sequence that has 10,000 base pairs of length, this value is equal to 2 mutations per generation (u = 2 / 10,000 = 10⁻⁴).In conclusion, approximately 2 MUTATIONS occur naturally in DNA per 10,000 bases (Option A is correct).
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state te type of cell devision of cross section tips of onion root.
Carbohydrates info
A. AKA:
B. Composed of:
C. Monomer:
D. Polymer:
E. Functions:
All enzymes which catalyze the chemical reactions of a cell are
a. carbohydrates b. lipids c. long-chain fatty acids d. proteins e. ribonucleic acids no another by differences in
Answer:
I think the answer will be protein.
Answer:
the answer is carbohydrates
Look at the branching tree diagram below.
A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right with the following traits Four limbs, Amniotic egg, Fur, Shearing teeth, and Retractable claws. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Amphibians, Reptiles, Marsupials, Dogs, Cats.
Which group of organisms evolved after dogs?
Only cats
Only marsupials
Both cats and marsupials
Both amphibians and reptiles
Answer:
both cats and marsupials
Answer: Both Amphibians and Reptiles
Explanation: I took the test and got it, so.....
If you have a measurement of 234.005 k, how many significant figures does it have
Answer:
It has 6 sig figs
Explanation:
235.005
Every digit is significant.
Is a ping pong ball a nonliving or living thing and why
Answer:
A ping pong ball is nonliving because it does not have a brain or living cells. It is plastic.
Using the following nucleotide sequence, predict the complementary strand sequence:
5'-TTAAACCCGTTGGAAC-3'
5'-AATTTGGGCAACCTTG-3'
3'-AATTTGGGCAACCTTG-5'
03-CCGGGTTTACCAAGGT-5'
0 3'-TTAAACCCGTTGGAAC-5'
The predicted the complementary strand sequence for 5'-TTAAACCCGTTGGAAC-3' is 3'-AATTTGGGCAACCTTG-5'.
What is DNA?Deoxyribonucleic acid or DNA is a double helix molecule composed of two complementary strands.
According to the base pair rules, Adenine pairs with Thymine and Guanine pairs with Cytosine.
In conclusion, the predicted the complementary strand sequence for 5'-TTAAACCCGTTGGAAC-3' is 3'-AATTTGGGCAACCTTG-5'.
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Answer:
Your answer would be AATTTGGGCAACCTTG-5′
Explanation:
Does anyone know the answer for 1?
Which of these is the main cause of habitat fragmentation? O A. Reduction in genetic diversity O B. Migration of mammal species O C. Demand for land use O D. Extinction of bird species
Answer:
C. Demand for land use
Explanation:
Habitat fragmentation usually occurs because of human activities such as new roads, parking lots, and housing developments. Organisms need their specific habitat for survival, and fragmentation is a leading threat to many terrestrial animals.
What is one of the causes of mechanical weathering?
A. acid rain
B. oxidation
C. animal actions
D. carbon dioxide
C. animal actions
Others are chemical examples.
Pls Answer it for 50 points pls What is arsenic???
Arsenic is natural element widely distributed in the earth's crust.
There are two forms of arsenic organic and inorganic.
Symbol: As
Electron configuration: [Ar] 3d¹⁰4s²4p³
Atomic number: 33
Atomic mass: 74.9216 u
Electronegativity: 2.18
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What is the correct structure of ATP? A. Ribose sugar, Adenine base, 3 Phosphate groups B. Triglyceride head, Ribose sugar, 3 fatty acids C. Ribose sugar, Phosphate group, Nitrogen Base D. Deoxy Ribsose sugar, Adenine base, 3 Phosphate groups
Answer:
The correct structure of ATP is
A. Ribose sugar, Adenine base, 3 Phosphate groups
Explanation:
The structure of ATP is a nucleotide, consisting of a nitrogenous base (adenine), a ribose sugar, and 3 serially bonded phosphate groups.
