Species are the most specific in modern taxonomy.
Taxonomy is defined as the scientific method of classifying, identifying and naming living organisms.
In the hierarchy of living organisms, the largest group of organisms is the Kingdom. This is followed by:
Phylum
Class
Order
Family
Genus and
Species (which is lowest in hierarchy).
The species is the smallest unit of classification.
It is the most specific because the individuals within a species are:
Identical in appearance,Closely related and Can mate with one another to produce fertile offspring.Therefore, species are the most specific in modern taxonomy.
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define Vasoconstriction
in a way a elementary kid would understand
Vasoconstriction occurs when the blood vessels tighten, which causes the blood flow to slow down.
a Scientific theory is best defined as what
Answer:
A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world.
Explanation:
Hope this helps you. :))
How do chemoautotrophs make energy?
Answer:
Chemoautotrophs are able to synthesize their own organic molecules from the fixation of carbon dioxide. These organisms are able to produce their own source of food, or energy. The energy required for this process comes from the oxidation of inorganic molecules such as iron, sulfur or magnesium.
Explanation:
which compound is a hydrocarbon?
a. H20
b. CO2
c. C2H6
d. C6H12O6
Answer:
the answer is C
Explanation:
c2h6 is the answer
When someone tosses an object towards your face, you blink. This response is controlled
by
O A. amino acids
B. the immune system
C. hormones
a
O D. the nervous system
Answer:
D. the nervous system
Explanation:
This system of your body controls your reflexes! :D
Answer:
Nervous system
Explanation:
The nerve receptors responsible for transmission of impulses to the brain are a part of nervous system.
What is the benefit of diversity in a gene pool?
increased chance of migration.
increased chance of equilibrium.
increased chance of extinction.
increased chance of survival.
Answer:
Increased Chances of Survival
Explanation:
Genetic diversity we could say as Variation in a gene pool and it serves as a way for populations to adapt to changing environments, So if there is any environmental change, With more variation it more likely that some individuals will have variation of allele in them that suits the change so they will have brighter chances of surviving.
An increased chance of survival is the benefit of diversity in a gene pool.
Increased Adaptability: A broad gene pool produces a population with a wider range of genetic features and variants. Due to this diversity, there is a greater chance that an individual may have favorable qualities that will allow them to adapt to shifting environmental factors like temperature, resource availability, or the prevalence of diseases. Individuals with genetic variants that are advantageous in the altered environment are more likely to survive and pass on their genes to succeeding generations.
Better Resilience: A diversified gene pool acts as a defense against potential dangers and difficulties. A population with a diverse range of genetic variations is more likely to have some members who are immune to or resistant to particular illnesses, predators, or other stressors.
Hence, an increased chance of survival is the benefit of diversity in a gene pool.
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Identify the nitrogenous base NOT present in RNA.
Adenine
O Thymine
O Guanine
Cytosine
Answer:
Thymine
Explanation:
Uracil is the nitrogenous base present only in RNA, but not in DNA. ... DNA have thymine, guanine, adenine and cytosine. Thymine is replaced by uracil in RNA.
In a partially diploid F′ exconjugant, there are two alleles for lac (1 and 2) and two alleles for his (3 and 4). The phenotype of this cell is identical to a lac 1 his 4 cell. What is the best interpretation?
Answer:
Explanation:
Lac 1 and his 4 that shows identical phenotype are wild types.
Wild types are the native, the original species or individual of a particular habitat or colony.
Since lac 1 and his 4 are the wild type, lac 2 and his 3 shares the phenotype of Lac 1 and his 4 this because a cross with a wild type will give an individual with a blend of the two gene with phenotype as the wild because they have a dominant gene.
Lac 1 will shows its phenotype when his 4 is also present this is because a cross between the two will give an individual that is phenotypically identical with the parents
Lac 1 and his 4 are dominant.
Using only facts to explain or describe is being ___________________________ .
Group of answer choices
A)objective
B)factual
C)subjective
D)influential
What cell makes up loose connective tissue?
Answer:
ppppppppppppppppppppp
Answer:
collagen and elastic fibres.
Explanation:
fibers and other components of the connective tissue matrix are secreted by fibroblasts
Which choice is right?!
Answer:
I think it's because plants have chloroplasts because chloroplast are the organisms that helps plants in making their own food
Answer:
Because plants have chloroplast. Chloroplast are organelles that conduct photosynthesis where the photosynthetic pigment captures the energy from sunlight converts it and stores it in the energy storage molecules ATP and NADPH while freeing oxygen from water in plant and algal cells.Marissa pedals her tricycle down the sidewalk. At what age was she likely first able to pedal? (2 points)
A.One year old
B.Two years old
C.Three years old
D.Four years old
Answer:
three years old i think. sorry if its wrong
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The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase
Answer:
RNA polymerase is the enzyme involved in the transcription of RNA molecules.
Ahemisphere is ______ of the Earth
A. one-half
B. one-third
C. two-thirds
D. three-quarters
Answer:
A. one half
Explanation:
the earth is divided into the northern and southern hemisphere.
List five organelles eukaryotes have that prokaryotes do not have. ( 5pts)
Answer:
Lysosomes and peroxisomes, Microtubules, Endoplasmic reticulum, Mitochondria, and Cytoskeleton
Explanation:
The characteristics that eukaryotes have are lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
What are eukaryotes?Eukaryotes are lifeforms with nuclei and other membrane-bound organelles. Eukaryotic organisms include all animals, plants, fungi, and protists, as well as the majority of algae.
Prokaryotic organisms are the ones lacking a well developed nucleus. They do not possess lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
Thus, these are five organelles that are present in eukaryotes but are absent in prokaryotes.
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Hello please help ill give brainliest, thank you!
Answer:
I'm almost positive it's C
Explanation:
What is a major obstacle in cellular respiration? It is limited by the low amount of energy stored in a glucose molecule It is an exergonic reaction, with much of the energy lost as heat, which potentially might damage cells It is an inefficient reaction and doesn’t provide eukaryotic cells with enough energy It requires oxygen to be actively pumped against its concentration gradient into cells
Answer:
It is an exergonic reaction, with much of the energy lost as heat, which potentially might damage cells
Explanation:
Cellular respiration is an important process carried out by the cells of living organisms in order to supply energy needed for their various cellular functions. Cellular respiration generally involves the breakdown of the stored energy in glucose molecules (in the presence of absence of oxygen).
However, since the process of cellular respiration releases energy as chemical energy (ATP) and majority as heat energy, it is said to be an EXERGONIC REACTION i.e energy-releasing. This hear energy released can damage living cells, which is a major setback to cellular respiration.
What are two important ways to classify tooth form
Answer:
You can identify by the size and/or shape.
A fish of genotype a/a ; B/b is crossed with a fish whose genotype is A/a ; B/b. What proportion of the progeny will be heterozygous for at least one of the genes
Answer:
Proportion of heterezygous progeny = 3/4
Explanation:
According to Mendel's law of independent assortment which states that the alleles of two (or more) different genes get sorted into gametes independently of one another. This means that the allele a gamete receives for one gene does not influence the allele received for another gene.
Gametes produced by the fishes assuming independent assortment:
Fish 1 = aB, ab, aB, ab
Fish 2 = AB, Ab, aB, ab
Progeny from cross:
aBAB, aBAb, aBaB, aBab
abAB, abAb, abaB, abab
aBAB, aBAb, aBaB, aBab
abAB, abAb, abaB, abab
Proportion of heterezygous progeny = 12/16 = 3/4
A substance with a pH of 3 is how many more times acidic than a substance with a pH of 5?
Replicated chromosomes are called
centromeres
homologous chromosomes
karyotype
sister chromatids
Answer:
Sister Chromatids
Explanation:
Before anaphase begins, the replicated chromosomes, called sister chromatids, are aligned at along the equator of the cell on the equatorial plane. The sister chromatids are pairs of identical copies of DNA joined at a point called the centromere.
2. Explain what happens during Osmosis? What type of transport is Osmosis? 3. What is a hypertonic solution? 4. What is a hypotonic solution? 5. What is an isotonic solution?
Which body system has a function most similar to the role lysosome plays for a cell
Answer:
the excretory system
which is most likely to contain organic compounds?
a. rocks and sand
b. living things
c. air and other gases
d. seawater
Answer:
b. Living things
Explanation:
Every living thing contains organic compounds.
Is there a symbiotic relationship between plants and water? If so, what effect does it have on their ecosystem?
A. Yes, there is a symbiotic relationship that is beneficial to both.
B. No, this would not be a symbiotic relationship
C. Yes, there is a symbiotic relationship that is beneficial for the plant but harmful to the water.
Pls help me with this :(
Answer:
a
Explanation:
because it is beneficial in both plant an water
Answer:
(B) No this would not be a symbiotic relationship.
Explanation:
this is because symbiotic relationship is where the two organisms have a mutual relationship where they depend on each other. The plants depend on water for their growth while the water does not depend on anything from the plants.
An example of a symbiotic relationship is between rhizobium bacteria and leguminous plants.The rhizobium bacteria gets shelter and food from the leguminous plants while the leguminous plants use the bacteria to convert nitrogen in the air to nitrates through a process called nitrogen fixation.
What kind of protist causes dysentery?
A euglena
B amoeba
C algae
D slime mold
Answer:
D
Explanation:
A pathologist working in the lab observed a liver cell that had a very prominent endoplasmic reticulum. The cell also had a proportionately larger smooth endoplasmic reticulum than rough endoplasmic reticulum.
Which of the following is a plausible explanation for the purpose of a larger amount of smooth endoplasmic reticulum?
A) It is producing proteins for glycolysis and ATP generation.
B) It is packaging signal hormones for export out of the cell.
C) It is detoxifying drugs and toxins with hydroxylating enzymes.
D) It is folding membrane-bound proteins bound for the plasma membrane.
Answer:
B - packaging signal hormones for export out of the cell
Explanation:
Remember the smooth ER packages proteins and sends them out of the cell through vesicles (endo/exosymbiosos)
Answer:
C. It is detoxifying drugs and toxins with hydroxylating enzymes.
Explanation:
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Justin wanted to explain the water cycle to his class. He created a chart with labels and illustrations
The given question is incomplete, however, the questions related to this is as follows:
What are the characteristics of the water cycle?
What part do plants play in the water cycle?
Answer:
The correct answer is -
- The characteristics of the water cycle are evaporation, transpiration, condensation, precipitation, surface runoff, and groundwater.
- Plants perform transpiration.
Explanation:
The water cycle is the movement of the water in between different spheres of the earth that include the atmosphere, hydrosphere, geosphere and biosphere. The water cycle has various components and processes that complete the water cycle and connect different spheres.
The components of the water cycle are evaporation of water and transpiration from the hydrosphere or geosphere and plants respectively to the atmosphere. The condensation and precipitation to water again to the geosphere and hydrosphere from atmosphere and runoff on the surface on earth to the water resrvoirs.
6. How are winds in the northern hemisphere differen
from winds in the southern hemisphere?
Answer:
Generally, prevailing winds blow east-west rather than north-south. This happens because Earth's rotation generates what is known as the Coriolis effect. The Coriolis effect makes wind systems twist counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
Explanation:
In the fluid mosaic model, where would you most likely find the transport proteins?
Attached to the outer portion of the phospholipid bilayer
Embedded within the hydrophobic and hydrophilic regions of the bilayer
Flipping, alternating between the hydrophobic and hydrophilic regions of the bilayer
Roaming within the phospholipid bilayer
thanks so much
Answer:
B: Embedded within the hydrophobic and hydrophillic regions of the bi layer
Explanation:
They are integral protiens and have to be inside
i took a test
This movement aids the cell membrane in preserving its function as a partition separating the interior and exterior cell surroundings. Thus option B is correct.
What is the role of transport protein in fluid mosaic model?Integral proteins protrude from each end of the phospholipid bilayer and are tucked inside. Larger molecules like glucose can be transported through cell membranes with the aid of integral proteins.
They have sections that match the polarity of the phospholipid bilayer, known as "polar" and "nonpolar" regions.
This movement aids the cell membrane in preserving its function as a partition separating the inside from the outside environments of the cell.
Therefore, in the fluid mosaic model, the transport protein is connected to the phospholipid bilayer's outer layer.
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