plz help. what does Archaeopteryx prove about modern birds?
Answer:
It appears that Archaeopteryx had the brain structures and inner-ear balance sensors that birds use to control their flight. Archaeopteryx also had a wing feather arrangement like that of modern birds and similarly asymmetrical flight feathers on its wings and tail.
What is the colour of bacteria
Answer:
Being kept in one place, the resulting cells have accumulated to form a visible patch. Most bacterial colonies appear white or a creamy yellow in colour, and are fairly circular in shape.
Explanation:
A population of crabs living on a sandy beach exhibits three colors: dark brown, light
brown, and speckled. The genotypes for these colors are BB for dark brown, bb for light
brown, and Bb for speckled. If a dark brown crab were crossed with a light brown crab,
what would be the probable phenotypic ratio of their offspring?
Answer:
100% of the progeny will be speckled
Explanation:
Available data:
Three colors: dark brown, light brown, and speckled.The genotypes for these colors are BB for dark brown, bb for light brown, and Bb for speckled.Cross: dark brown crab with a light brown crab
Parentals) BB x bb
Gametes) B B b b
Punnett square)
B B
b Bb Bb
b Bb Bb
F1) Genotype:
4/4 = 100% of the progeny will be heterozygous for the trait, Bb
Phenotype:
4/4 = 100% of the progeny will be speckled
The instructions, or 'code', in our DNA is dependent upon the order of the _____ in the DNA
-phosphates
-proteins
-bases
- sugars
Answer:
C. Bases
Explanation:
Deoxyribonucleic acid, commonly known as DNA, is the a type of nucleic acid that serves as the genetic material in living organisms. DNA holds information or instructions needed for the synthesis of useful products like proteins that is responsible for growth, reproduction, and general survival of organisms. Hence, it is referred to as the "BLUEPRINT OF LIFE".
However, in the structure the of the DNA molecule, it contains certain monomeric building blocks called NUCLEOTIDES. These nucleotide bases are of four types namely: Adenine, Thymine, Guanine and Cytosine. It is upon these order of nucleotide bases that instructions, or 'code', in our DNA is dependent upon.
Measurement of overall change in position.
Answer:
Velocity (Rate of change of position)Velocity is a vector quantity that is defined as the rate of change of position of an object with respect to a frame of reference with respect to time. Velocity is equivalent to the speed of the object along with the direction of motion.Hope this is fine for youAnswer:Displacement
Explanation:Displacement is the change in position of an object. The SI unit for displacement is the meter. Displacement has direction as well as magnitude. Distance traveled is the total length of the path traveled between two positions.
please help me?? 10 points!
Answer:
streak
Explanation:
have a great day!!!
How are the properties of water
essential to life on Earth?
Explanation:
water is essential for all living things. Water's unique density, high specific heat, cohesion, adhesion, and solvent abilities allow it to support life.
A) Yes,because the amino acid changed.
B) Yes,because every mutation changes the amino acid .
C) No , because the amino acid not change
ASAP
Answer: B
Explanation:
Which is the most accurate description of RNA
A. Single stranded nucleic acid with adenine, uracil, guanine and cytosine bases.
B. Double stranded nucleic acid with adenine, thymine, cytosine, and guanine bases
C. Double stranded nucleic acid with guanine, cytosine, adenine, and uracil bases
At which latitudes do we find Earth's major deserts?
Answer: Around 30-50 degrees of latitude. This is roughly right above and below the equator.
5. What are the range and median of this data set?
16, 10, 24, 12, 9, 14, 11, 14, 21
A. range = 5, median = 9
B. range = 5, median = 14
C. range = 15, median = 9
D. range = 15, median = 14
Answer:
c
Explanation:
The answer is c
Range and median of this data set 16, 10, 24, 12, 9, 14, 11, 14, 21When a list of numbers is arranged from smallest to largest, the median is the middle number, hence option C is correct.
What are the range and median?
The median of these outcomes. The range, in this case, is, where the range is the difference between the lowest and highest values.
Take the sum of all the numbers and divide it by the total number of numbers in the list to get the value of the mean.
Calculate the mean by adding up the center values and dividing them by two in order to determine the median.
Therefore, 16, 10, 24, 12, 9, 14, 11, 14, and 21 in the data set range are equal to the highest number minus the lowest value, hence option C is correct.
Learn more about the median, here:
https://brainly.com/question/18381341
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Explain why even though a skin cell has all of the body's DNA, it doesn't become a muscle cell
Answer: each cell is made with a set of instructions in its dna so it knows what to become and doesnt just become a liver on ur face..however that would be neet, lol jk
When two true-breeding pea plants that show contrasting traits are crossed in a case of Complete Dominance Inheritance, all of the offspring show,
a) a different trait
b) a blend of the two parental traits
c) the dominant form of the trait
d) the recessive form of the trait
CELLS
Question
Answer
1.A cell is "the smallest unit of life".
Explain what that means in your own
words.
2. What does Unicellular mean?
3. What does Multicellular mean?
4. Give 3 examples of different cell types
(look at the pictures)
Answer:
1.its microscopic and it is the building block to every organism
2. unicellular means 1 cell or type of cell
3. Multicellular means multiple cells or types of cells
4. prokaryotic, eukaryotic?
2. What is the name of the moist "ball" of saliva and food that results from the start of digestion in the mouth?
A. epiglottis
B. Ochyme
C. bolus
D. bile
Why is the temperature in Seattle more stable than Minneapolis, even though they are at similar latitudes
Answer:
minneapolis is probably higher than seattle in sea level
Explanation:
If only water can move in and out of the membrane, which way will the water flow?
A. Water will flow into the egg.
B. Water will flow out of the egg.
Cell Junctions help in moving up a level in the hierarchy of organization of living systems. When cell junctions from, the system goes from the cell level to the _________ level.
Do jellyfish have eyes
Answer:
it depends on the type of jellyfish.
Explanation:
most jellyfish depend on their nervous system (or as scientists call it, their nervous net) to spot light signal.
box jellyfish are the only type (as far as i know) to be known for having eyes that are visible. I think they have 4 eyes
What is the significance of studying the history of life to the future of science?
Answer:
Studying the history of science allows you to have a glimpse into both the history of the world and into just how we discovered everything we know about the world
Explanation:
What is a phenotype?
Describe the responses of a red blood cell in isotonic, hypertonic and hypotonic
solutions.
Answer:
Isotonic: Isotonic solutions are solutions having equal osmotic pressures. Hypotonic: Hypotonic solutions are solutions having lower osmotic pressures. Hypertonic: Hypertonic solutions are solutions having comparatively higher osmotic pressures.
PLEASE HELP!! WILL BE MARKED BRAILIEST
5. the kingdom of prokaryotic unicellular organisms known for living in
environments in which all other organisms are unable to survive in *
Eubacteria
Archaea
Fungi
prokaryote
Answer:
The answer is in the explanation bellow
Explanation:
Archaea. The Archaea Kingdom is a relatively new prokaryotic kingdom, and its organisms differ from the eubacteria because of the environment in which they live.
What are the two types of adaptations that plants can show?
a.Physical characteristics and life cycle differences.
b. Life cycle differences and color differences.
c. Physical characteristics and different food sources.
d. Physical characteristics and behavioral differences.
Answer:
There are two main types of adaptation: physical and behavioral. Physical adaptations are special body parts that help a plant or animal survive in an environment.
Explanation:
Physical characteristics and life cycle differences.
I have a cell membrane.
A.Prokaryotic cell
B.Eukaryotic cell
C.Both types of cells.
Answer:
both types of cells have a cell membrane
Answer: C. Both types of cells
5 External adaptation of a bird
20. Which part of the meal in this picture is a lipid?
a. Fries
b. Bun
C. Steak
d. Cheese
Answer:
ithink it's steak
Explanation:
... because steak can be Lipid composition in meat and meat products. Meat lipids are mainly composed of triglycerides (correspond to about 95% of meat lipids) and phospholipids, which contain saturated fatty acids, monounsaturated fatty acids (MUFAs), and polyunsaturated fatty acids (PUFAs)...
and lipid is present in meat and in meat product.....
A leaf falls into a shallow lake and is rapidly buried in the sediment. the sediment changes to rock over millions of years. Which type of fossil would most likely be formed.
A) carbon film
B) cast
C) Preserved remains
D) trace fossil
THERE ARE 2 ANSWERS!!!
Answer:
carbon film and cast maybe
Explanation:
based on the graph, describe what is happening between 4 and 6 seconds.
The object is moving away from the start at a constant speed.
The object is not moving.
The object is returning to the start at a constant speed.
The object is changing speed.
Answer:
The object is not moving.
Explanation:
Answer:
its not moving
Explanation:
Explain how diffusion restored homeostasis during the dialysis treatment.
Explain why countercurrent flow met the goals and why parallel flow did not meet the goals.
Answer:
Explanation:
By maintaining amount of ions in the blood.
Countercurrent flow met the goals due to difference in concentration gradient.
Explanation:
Diffusion restored homeostasis during the dialysis treatment because during dialysis, the concentration of ion in the blood is maintained that leads to homeostasis.
Countercurrent flow met the goals because it flows in opposite direction while on the other hand, parallel flow did not meet the goals because it flows in the same direction. For example. the blood flows in one direction and the dialysate flows in the opposite direction. The countercurrent flow of the blood and dialysate increases the concentration gradient between the blood and dialysate. The increased gradient helps to remove more potassium, phosphorus and urea from the blood. If we used parallel flow so less concentration gradient of solutes is present and hence, less potassium, phosphorus and urea are removed from the blood