Which below is an adaptation that favors the survival of an organism?
A: proteins expressing color in butterfly wings to mutate to inhibit camoflaging abilites of butterfies
B: Lengths of beaks in a bird population increase to the point birds can no longer groom themselves.
C: A ground squirrel population in the forest developes webbed feet for swimming.
D: A desert coyote population developes the increased ability to cope with low water conditions
Answer:
D: A desert coyote population develops the increased ability to cope with low water conditions
Explanation:
Adaptations are any behavioral, functional or structural changes in organisms that help in their survival in their respective habitat. Desert habitat is characterized by extremely higher temperatures and water scarcity. Development of any adaptive feature that help the desert coyote population to withstand the lower water availability would increase its survival in desert habitats.
Hormones play an important role in regulating blood glucose levels. what is an example of this?
Insulin and glucagon, hormones secreted by the pancreas, are prime examples of how hormones regulate blood glucose levels. They act together to keep a balanced glucose level in our blood.
Explanation:Yes, hormones play a significant role in the regulation of blood glucose levels. The prime example is that of insulin and glucagon, hormones secreted by the pancreas. Essentially, when blood sugar levels rise, the pancreas releases insulin which facilitates the transport of glucose from the blood into the cells of the body. This reduces high blood glucose levels. In contrast, when blood sugar levels fall, glucagon is released by the pancreas and instigates the conversion of stored glycogen into glucose, which is then released into the blood. This mechanism illustrates the delicate balance our bodies maintain to regulate blood glucose levels.
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The complex of dna, rna, and associated proteins that gives shape to the chromosome is called
Various species of streptomyces are important sources of antibiotics. various species of streptomyces are important sources of antibiotics.
a. True
b. False
Explain how predators and prey regulate each others population growth. Give an example.
Which of the following does not promote biodiversity
The inferior vena cava brings blood from the lower regions of the body and empties into the:
The inferior vena cava empties deoxygenated blood from the lower body into the right atrium of the heart. Option B is correct.
The large vein known as the inferior vena cava returns oxygenated blood from the lower body to the right atrium of the heart. This is important for the foundational venous return, where both the sub-par vena cava and the predominant vena cava void their blood into the right chamber, guaranteeing that the blood is then shipped off the lungs for oxygenation. It's memorable's vital that the heart has four chambers: two atria and two ventricles. The left atrium receives oxygenated blood from the lungs, while the right atrium receives blood that has been deoxygenated from the body.Complete question as follows:
The inferior vena cava brings blood from the lower regions of the body and empties into the ______. A. left atrium. B. right atrium. C. right ventricle.
Giving 50 points for the best answer!
Muscle cells are specialized for contraction or movement. Skin cells are specialized for protection. For example, skin cells protect the body from UV light. Predict which cells would contain more mitochondria: muscle cells or skin cells explain your answer.
This is a tissue that makes up most of the fleshy part of a plant.
Which does this tissue work with to carry out transpiration?
vascular and parenchyma tissue
dermal and vascular tissue
ground and dermal tissue
parenchyma and ground tissue
Answer: Option B
Explanation:
The tissue that makes up the most of the fleshy part of the plant is dermal tissue and vascular tissue. The fleshy part of the leaves is made of mesophyll tissue that helps in the opening and closing of stomata.
The dermal tissues also helps in carrying out the transpiration, which takes place from the tip of the leaves. The vascular tissues helps in the continues flow of water.
what is the functions of catalysts like enzymes
What is a root like structure that anchors the kelp to the ocean floor
In the desert food web shown below, which of the following best describes the transfer of energy between cacti and mule deer?
About 90 percent of the cacti’s energy transfers to the mule deer.
About 10 percent of the cacti’s energy transfers to the mule deer.
About 10 percent of the mule deer’s energy transfers to the cacti.
About 90 percent of the mule deer’s energy transfers to the cacti.
Answer:
About 10 percent of the cacti’s energy transfers to the mule deer.
Explanation:
If the country was experiencing high inflation, the government {Congress + the President} could _____________________ to help slow down the growth & bring the economy back to it's original level. Question 8 options: A) raise interest rates B) lower interest rates C) increase spending AND decrease taxes D) decrease spending AND increase taxes
Max discovered a beaker full of transparent liquid in the science lab. He hypothesized that since the liquid is transparent like water, it is water. He shared this conclusion with his friends. His friends questioned his conclusion, but Max had no evidence to back his thoughts. What step did Max miss in his scientific methods?
A.Make an initial observation.
B.Test a hypothesis by gathering data.
C.Form a conclusion.
D.State a hypothesis.
Answer:
Option B is correct answer.
Explanation:
For a valid hypothesis, one should always go through these steps - 1. Initial observation, 2. State a hypothesis, 3.Test the hypothesis by gathering data and finally 4. Form a conclusion on the basis of gathered data.
Here Max skipped the testing of the hypothesis by gathering data, he should run few tests like boiling point, freezing point, density and other physical or chemical test and compared to pre-existed values of these tests.
What defines a macromolecule as a lipid
An:
All lipids are sold fats
A lipid is defined as a macromolecule by its specific characteristics, which include being hydrophobic, soluble in nonpolar substances, and having a high energy content due to long hydrocarbon chains. They serve vital biological functions, such as energy storage, cell signaling, and forming structural components of cell membranes.
Explanation:A macromolecule is defined as a lipid by its distinct physical and chemical properties. Lipids are a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, triglycerides, phospholipids, and others. The main biological functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.
Lipids are characterized by their inability to dissolve in water (they are hydrophobic). This is because they are made up of hydrocarbon chains, which are non-polar and thus repel water molecules. In contrast, they are soluble in nonpolar substances and organic solvents.
Lipids also have a high energy content. This is because the long hydrocarbon chains they contain are rich in energy-releasing carbon-carbon and carbon-hydrogen bonds. The body can use lipids as an energy reserve, with fat serving as a more efficient storage form of energy than carbohydrates.
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A cell viewed under a high powered microscope appears to be in the fourth phase of the cell cycle. what does this indicate about the cell?
ANSWER:
Phases of Mitosis.
STEP-BY-STEP EXPLANATION:
The M stage includes Mitosis which is the procedure of cell division. It is made out of:
Prophase :
-Nucleus breaks down
-Atomic layer breakdown
-Shaft strands show up
Prometaphase :
-Shaft strands connect to chromosomes
-Chromosomes consolidate
Metaphase:
-Chromosomes adjust at the metaphase plate
-Anaphase
-Centromeres partition
-Sister chromatids move to inverse shafts
Telophase :
-Atomic layer changes
-Chromosomes decondense
-Shaft filaments vanish
Rolling over, crawling, and walking are all stages of which naturalist process?
A transient condition of low hemoglobin in the blood associated with early stages of strenuous athletic training is
The transient condition that is being described above is sports anemia. This occurs when an individual is into aerobic exercise that will likely cause the individual to have his or her red blood cells to be diluted in which happens because of the plasma volume of the individual has been expanded.
A particular species of protist has obtained a chloroplast via secondary endosymbiosis. you know this because the chloroplasts _____.
Final answer:
A particular species of protist has obtained a chloroplast via secondary endosymbiosis, indicated by the chloroplasts being surrounded by four membranes. This complex membrane structure is a hallmark of secondary endosymbiosis, a process whereby a eukaryotic cell engulfs another eukaryote already containing primary chloroplasts.
Explanation:
A particular species of protist has obtained a chloroplast via secondary endosymbiosis. You know this because the chloroplasts are surrounded by four membranes. These membranes include the inner and outer membranes of the photosynthetic cyanobacterium, the green alga's plasma membrane, and the vacuole membrane that enveloped the green alga during the engulfment by the chlorarachniophyte ancestor. This structure is a key indicator of secondary endosymbiosis, a process different from primary endosymbiosis that led to the first chloroplasts, which involves engulfing a photosynthetic prokaryote directly. In cases of secondary endosymbiosis, like that seen in chlorarachniophytes, a eukaryotic organism engulfs another eukaryote that already contains chloroplasts from a prior endosymbiotic event. This event is evolutionarily recent and marks a significant step in the diversification of photosynthetic organisms, making the presence of four membranes around the chloroplasts an evidence of a secondary endosymbiotic origin.
It is best to say that the protection to properties offered by sea walls along coasts _______.
Answer:
a. decreases the present and future risk to human properties.
Explanation:
According to a different source, these are the options that come with this question:
a. decreases the present and future risk to human properties.
b. increases both the present and future risk to human properties.
c. decreases the present but increases the future risk.
d. increases the present but decreases the future risk.
A sea wall is a form of defense that is usually built in places were the sea impacts directly upon the landforms of the coast. Because of this, such walls anc be useful in areas that are particularly close to the water. Sea walls usually protect areas of human habitation, conservation and leisure activities. However, these can have negative environmental effects, as they impede the exchange of sediment between the land and the sea.
A child diagnosed with tinea is being treated with griseofulvin. what should the nurse tell the parents to do?
The nurse should tell to the patient’s parents that the tinea is not a serious infection in which it wouldn’t cause any serious complications although they should also be cautious when handling the things of their child as this could be transmitted with the use of having to be in contact with the person that is infected.
A mountain can affect climate by a. absorbing more solar energy at the peak than at the base of the mountain. b. causing precipitation to fall mostly on one side of the mountain. c. pushing a cool air mass back out over the ocean. d. interfering with air currents and affecting Earth’s rotation.
List the four levels of organization in the human body from smallest to largest give an example to each level
which sequence shows the transfer of oxygen for use by the body ?
The right answer is D.
Breathing is the process by which oxygen from the air gets into your lungs and gets into your body. Our lungs take oxygen from the air and carry it into our bloodstream, which carries it to the cells, tissues and organs that allow us to walk, talk and move.
Our lungs also remove carbon dioxide from our blood, through the air we breathe.
How does the precision of measurements affect the precision of scientific calculations?
Terrestrial biomes are classified by the climate and their biodiversity, especially the types of primary producers. Review the climatic data displayed in this graph of the major terrestrial biomes. There are two biomes that are rainforests: temperate and tropical. According to the climatic data, why are these two rainforests named differently? A) The temperate rainforest receives a more annual precipitation than the tropical rainforest.
B) The tropical rainforest has a greater biodiversity than the temperate rainforest.
C) The temperate rainforest has a lower mean annual temperature range than the tropical rainforest.
D) The tropical rainforest has a higher mean annual temperature and receives much more annual precipitation.
The tropical rainforest has a higher mean annual temperature and receives much more annual precipitation. The correct option is D.
What is tropical rainforest?Tropical rainforests are rainforests that occur in areas of tropical rainforest climate where there is no dry season - all months have at least 60 mm of precipitation - and are also known as lowland equatorial evergreen rainforest.
Temperate and tropical rainforests are named differently due to differences in climate, particularly in mean annual temperature and precipitation.
The difference in mean annual temperature and precipitation between the two rainforest biomes results in different types of primary producers and biodiversity, resulting in these biomes being referred to as temperate and tropical rainforests.
Thus, the correct option is D.
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The cells that are responsible for olfaction are __________
Bipolar disorder has a _______________ rate of heritability suggesting a biological cause.
The answer is high. It is because bipolar disorder does cause high rate of heritability because of factors that could affect the individual. These factors or biological cause can affect greatly in which is why it has been concluded that it could cause high heritability. The factors have been a great contribution in making an individual to be susceptible or acquire this type of disorder.
Excess protein intake can result in ________.
what type of environment is ideal for the preservation of a footprint
A. water
B. sand
C. mud
D. rock
The environment which is most ideal for the preservation of a footprint is water with sand.
What is fossil footprint?Fossil footprints are also known as ichnites, usually refers to a type of trace fossil. They formed in the same way our footprints do when walking on soft ground like mud or sand. But rather than being washed away, they get preserved under sediments of rock for millions of years. Fossil footprints are formed under special conditions.
Because most tracks are made in wet sediment, they are often preserved near water or in areas with shallow water, such as lakebeds with sediments of sand. Since, most of the fossil footprints are formed near waterbeds with sands, thus the type of environment that is ideal for the preservation of a footprint is water and sand.
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