______ 1. What law protects plant and animal species in danger of extinction? the U.S. Fish and Wildlife Service c. the species recovery plan the Endangered Species Act d. the captive breeding plan
the answer is c
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Answer:
the U.S. Fish and Wildlife Service
Explanation:
it assists with efforts to recover endangered species, conserve migratory birds, preserve wildlife habitat, safeguard fisheries, combat invasive species and promote international wildlife conservation.
What Is the meristematic tissue that helps in the production of roots in stem cutting
Answer:
apical meristem
Explanation:
it is a meristematic tissue found in the buds and growing tips of roots in plants.
Its purpose is to trigger the growth of new cells in young seedlings at the tips of roots and shoots and forming buds.
Which of these must exist for natural selection to cause change ?
Answer:
The answer is A.
Explanation:
Which sustainable practice is paired correctly with its impact on the environment? Using bamboo results in an increased use of forest trees. Practicing contour plowing results in a need for more land. Setting irrigation systems to run longer results in a reduction of water use. Building more wind farms results in a reduction of fossil fuel use.
Answer:
build more wind farms results in a reduction of fossil fuel use.
Explanation:
no comment
Which water source may become polluted as it travels over land?
ponds
groundwater
oceans
runoff
Answer:
I believe runoff water
Why can the use of fertilizers, pesticides, and industrial chemicals unintentionally
harm a community's water supply?
Answer:
Run off
Explanation:
The top soil can produce runoff if it rains heavily and travel with the water. The pesticides in the water are harmful to our body when consuming it. The pesticides are in the topsoil, therefor when the soil runs into the water system it is now contaminated with pesticides.
You are at a conference for a fellow scientist who is giving a lecture in a field you
are both researching: human evolution and ancestry. In his lecture, he compares
many of the behaviors of humans and Chimpanzees, and compares the
behaviors of humans and Orangutans. He concludes that we are more closely
related to Orangutans than Chimpanzees. Is he correct?
Answer:
incorrect
Explanation:
This is an incorrect statement as orangutans are the most distant relatives of humans among the Great apes and chimpanzees are the closest.
What is the evolutionary relationship?
The link drawn between different species of organisms considering their evolutionary history is the evolutionary relationship between these species. Genome sequencing is a method to study evolutionary relationship between the organisms of different species.
The humans, orangutans, gorillas and chimpanzees are grouped together in a family called as as the Hominidae. The Genome sequencing of humans, chimpanzees and orangutans revealed that humans and orangutans share about 97% of their DNA. This is much less than humans and chimpanzees which share 99% of their DNA.
Therefore, the statement that humans are more closely related to orangutans than chimpanzees is an incorrect statement.
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. There are different methods of sowing the seeds. Which one of the methods given below is not the methods of sowing seeds used by the farmer?
Answer:
A) Broadcasting B) Seed-drill
Explanation:
Options of sowing seeds are given below.
A) Broadcasting B) Seed-drill C) Transplanting D) Scattering E) None of these
Farmers used two methods for sowing of seeds such as broadcasting and seed drilling. Broadcasting is a method of seed sowing in which seeds are scattered in the field by hands or machines while seed drill is another method of sowing in which a device or machine is used which bury the seed at certain depth and at proper position in the field. In seed drilling method, seeds are sowing in lines while in broadcast, seeds are sown in every part of the field.
what type of root found in the bryophyllum ?
The root that found in the bryophyte is Rhizoid
If DNA replicated conservatively instead of semi conservatively, what would the banding pattern look like in a tube containing heavy nitrogen DNA (15N) grown in regular, or light, nitrogen (14N) for 1 generation? A. There would be one band of heavy DNA and one band of light DNA. B. There would be one band of intermediate DNA, and one band of light DNA. C. There would be one band of heavy DNA and one band on intermediate DNA. D. There would be one band of intermediate weight DNA.
Answer:
A. There would be one band of heavy DNA and one band of light DNA.
Explanation:
First, we must exclude that a 15N DNA is related to a heavy nitrogen, while a 14N DNA is related to a light nitrogen.
After that, it is important to understand what conservative DNA replication would be. This type of replication implies that the strands of the parental DNA would not be separated to form the daughter strands. Thus, the replication occurs with the DNA strands together, the daughter strands of newly formed DNA are also formed together, in this case. Thus, the parental 15N DNA would form another 15N DNA molecule, the same goes for the 14N molecule. With that we can say that the answer to your question would be "there would be a heavy DNA band and a light DNA band."
What is most likely to happen to a population of mice that becomes isolated on an island?
Many different species will form as they evolve and fill different niches on the island.
The population of mice will adapt to life on the island but will still be able to breed with the mainland population.
Many different species that are capable of breeding with each other will form.
The population of mice will evolve into a new species of mouse that is adapted to all the different niches that are found on the island.
The most likely thing that will happen to a population of mice that becomes isolated on an island is Many different species will form as they evolve and fill different niches on the island.
What is population?Population refers to group of organisms occupying a specific geographical lol cation and interacting with their environment at a particular time.
Therefore, The most likely thing that will happen to a population of mice that becomes isolated on an island is Many different species will form as they evolve and fill different niches on the island.
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Answer: D.) The most likely thing that will happen to a population of mice that becomes isolated on an island is Many different species will form as they evolve and fill different niches on the island.
Explanation: got 100 on the test
Cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following EXCEPT:________.
a) extend pseudopodia
b) move vesicles within a cell
c) contract muscle fibers
d) divide in two
Cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following except move vesicles within a cell. Hence option b is correct.
What is actin polymerization?Actin polymerization is defined as a monomers associate with and disassociate from the ends of actin filaments in this reversible process. Actin filament polymerization typically takes place over three phases: a steady state phase, an elongation phase, and a nucleation phase. Actin filament assembly involves the phases of nucleation, elongation, and steady state.
A cell-permeable fungus toxin called cytochalasin D attaches to the barbed end of actin filaments and prevents both subunit interaction and separation. About 20 known mold-derived substances collectively known as cytochalasins impact actin stress fibers and cause fast actin depolymerization.
Thus, cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following except move vesicles within a cell. Hence option b is correct.
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Which of the following is not an advantage that glycogen provides to muscle cells in which it is stored? Group of answer choices It is available for quick energy spurts. It requires no energy to mobilize the glucose residues for metabolism. It gives anaerobic metabolism a boost.
Answer: C: It gives anaerobic metabolism a boost
Explanation:
Glycogen doesn't really have anything to do with anaerobic metabolism, but both other statements are correct
Modern domesticated pigs are descendants of the wild boar(Susscrofa). Through the domestication process, human have artificially selected for certain traits. Identify two of these traits, and briefly explain how they benefit modern society. Be sure to identify the trait, explain why it was artificially selected and how it benefits modern society.
Answer:
Meat for food and small size for pets
Explanation:
Artificial selection is the process by which humans control desirable phenotypic characteristics in plants and animals by applying selective breeding techniques to perpetuate these traits in the population. A example of artificial selection includes the process of domestication of modern pigs (Sus domesticus). It has been shown that the modern pigs derived from the wild boar (Sus scrofa), which were domesticated separately 9,000 years ago in China and Western Asia. For example, by artificial selection, humans have domesticated moderns pigs to use them as livestock for direct consumption (i.e., for their meat). Moreover, there are pig populations that have been artificially selected as pets (e.g., miniature Vietnamese Pot-Bellied pigs).
In each of the three systems, determine the state of entropy (low or high) when comparing the first and second: i. the instant that a perfume bottle is sprayed compared with 30 seconds later, ii. an old 1950s car compared with a brand new car, and iii. a living cell compared with a dead cell.
a) i. low, ii. high, iii. low
b) i. low, ii. high, iii. high
c) i. high, ii. low, iii. high
d) i. high, ii. low, iii. low
Answer:
a) i. low, ii. high, iii. low
Explanation:
What happens if the large intestine is NOT working correctly? What happens if the Small Intestine is NOT working properly?
Question 5 of 10
A whale is able to move its fins in the ocean because of energy it obtains
directly from
O A. wind
O B. food
O C. the Sun
D. ocean currents
If the amount of daylight increases plant growth during the summer
Answer:
then, the amount of daylight decreases plant growth in the winter.
Explanation:
Well if plant growth is increased during summer due to the amount of daylight then it will be reduced or decreased during winter because of reduced daylight.
1. evaporation process by which liquid water changes into a gas
2. infiltration process by which solid water (ice, snow) changes directly into a gas
3. precipitation process by which precipitation soaks into the ground
4. sublimation release of water vapor into the air by plants
5. transpiration the release of water from the atmosphere
Answer:
1. Evaporation process by which liquid water changes into a gas.
2. Sublimation process by which solid water (ice, snow) changes directly into a gas.
3. Infiltration process by which precipitation soaks into the ground.
4. Transpiration release of water vapor into the air by plants.
5. Precipitation the release of water from the atmosphere.
Explanation:
Hope it helps.
Observe 5 different forms of life in your garden, orchard, living beings found with their characteristics and give an explanation of these forms.
Answer:
Explanation:
After going to my garden and observing carefully I have come to the conclusion that there are many forms of life.
The most common way of life is plants: which are mostly green, give us oxygen and some give us fruit or food.
Other forms of life that I observed were:
Birds: vertebrate animals that live on the fruits of trees, sing in the morning and have plumageThe worms: invertebrate animals that serve as compost for the earth. Ants, insects that work in an orderly way and that live in colonies under the ground.Flies, flying insects that help decompose animals.Several centers (and their associated motor tracts) in the cerebrum, diencephalon, and brainstem, which may issue somatic motor commands as a result of processing performed at a subconscious level, were long known as the ________, but is actually now considered inaccurate and misleading.
Answer:
The correct answer is "reticular formation".
Explanation:
The missing options of this question are:
A) medial lemniscus
B) pyramidal system
C) anterolateral system
D) reticular formation
E) extrapyramidal system
The correct answer is option D) "reticular formation".
The term "reticular formation" was coined to mention a set of interconnected nuclei located along the brainstem, including the cerebrum, diencephalon, and the brainstem itself. Nowadays this term is considered inaccurate and misleading, since it was never well defined and some authors may include some structures that other author do not consider as part of the "reticular formation".
The Hawaiian Islands are located in the middle of the Pacific plate, but they contain volcanoes. What
accounts for the volcanoes on these islands even though they aren't found along a plate boundary?
Explanation:
This hot spot partly melts the region just below the overriding Pacific Plate, producing small, isolated blobs of magma. Less dense than the surrounding solid rock, the magma rises buoyantly through structurally weak zones and ultimately erupts as lava onto the ocean floor to form volcanoes.
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Which of the following pairs of organisms is most closely related?
A. Cat and amoeba
B. Kangaroo and salmon
C. Lizard and sponge
D. Cat and kangaroo
Answer:
D
Explanation:
They are both mammals.
Is water biodegradable or non - biodegradable?
Answer:
Biodegradable
Explanation:
please answer fully.
A person cannot produce several types of proteases. Name the problem this specific person probably has and explain why.
Answer:
The person have excess amount of proteases and when this happen, the person will protein breakdown in the body or lack of protein in the body which can affect most of the organs in the body.
Explanation:
Under normal conditions in the body, blood and body tissues have a specific potent enzyme called proteases. Protease help in the breakdown of protein in the body and play important roles in defending or fight against incoming infections and inflammatory processes in the body .There is need for thslese proteases to be regulated or control because overactivity can lead to protein destruction which will lead damage of different body organs. In order to control this, blood and other tissues in the body posses enzymes with protease inhibitory activity, these enzymes help to prevent its from undergoing excessive action and potentially harmful effects.
Which of the following is correct about the polyadenylation mechanism?
Answer:
a long chain of adenine nucleotides is added to the 3' end of mRNA during termination of transcription
Explanation:
In some parts of Africa, the frequency of heterozygosity for the sickle cell anemia allele is unusually high, presumably because this reduces the frequency of malaria. Such a relationship is related to which of the following?
a) Mendel's law of independent assortment
b) Mendel's law of segregation
c) Darwin's explanation of natural selection
d) Darwin's observations of competition
e) The malarial parasite changing the allele
Answer:
The correct option is C.
Explanation:
According to Darwin's Law of Natural Selection, a gene that benefits the organism and helps it produce healty offspring so that it can survive is supported by natural selection and will receive a positive feedback over.
The fact that the heterozygosity for sickle cell anemia helps with the survivability of malaria, which is a deadly disease, suggests that the heterozygosity is favored by the law of natural selection.
I hope this answer helps.
what converts solar energy (sunlight) into chemical energy through photosynthesis
Explanation:
Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water. ... The electrons go to the chlorophyll, while the protons contribute to a proton gradient that is used to power the synthesis of a second energy-carrying molecule,
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Answer:
Hello!
Your answer is PLANTS!
Explanation:
During Photosynthesis, PLANTS absorb the radiation from the sun (sunlight/heat) and convert it into chemical energy (glucose/starches etc)
The green pigments on the leaves are called CHLOROPHYLL and the main purpose of them is to act like Solar Panels and absorb the light energy (solar energy)
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During a discussion about antimicrobial agents, the instructor explains to the nursing students that there are two major methods used to classify antimicrobial drugs. What are those two major methods
Answer:
The correct answer is - Susceptible organism and mechanism of action
Explanation:
1. susceptibility is a term utilized when microorganisms, for example, microscopic organisms and fungi can't develop within the sight of at least one antimicrobial medications. susceptibility testing is performed on microscopic organisms or parasites causing a person's infection after they have been recovered in a culture of the specimen .
A bacterial strain is supposed to be helpless to a given anti-microbial when it is restrained in vitro by a concentration of this medication that is related with a high probability of therapeutic achievement.
2. According to their primary actions on microbial cells, antimicrobial antibiotics can be divided into four categories: 1. Inhibitors of the biosynthesis of the bacterial cell wall 2. Inhibitors of the bacterial protein synthesis 3. Inhibitors of the nucleic acid metabolism 4. Alteration of Cell Membranes.
An important feature of a hypothesis is that it is a. right the first time. b. testable. c. supported by all the data you gather.
Answer:
testable
Explanation:
because it is possible to make observation that agree with it