PLS HELP AS SOON IS POSSIBLE
Nonnative species can cause serious problems with marine ecosystem biodiversity. The graph shows a summary of the different methods by which invasive species reach new locations based on United States Geological Survey data as of 2016. Based on this information, what recommendation could be made to reduce introductions?
A- Methods should be put in place to reduce the ability of species from escaping from captivity and establishing themselves in new locations.
B- People should take extra care when setting up a home fish tank to be certain that all organisms in it will be properly maintained so that the animals remain healthy and diseases are not spread.
C- Science should more closely study the genetics of the different organisms used to prevent mixing of DNA.
D- Ships should install some form of cleansing mechanisms before releasing their ballast water during transport and should be checked for unintended cargo.
Answers
Answer: D
Explanation: 20% of invasive species are introduced by Shipping so checking the ballast tanks in cargo ships would help the most I think
To reduce introductions of Non-native species, ships should install some form of cleansing mechanisms before releasing their ballast water during transport and also check for unintended cargo.
What are non-native species?Non-native species are also called invasive species. They are called so as they are foreign or not indigenous to a particular ecosystem and have been introduced to the said ecosystem by some unnatural methods.
These species show a high capacity for adaptation to their new environment. They quickly multiply and reproduce and therefore increase in population.
This sudden and unnatural increase in their population soon after they are introduced to a new environment will greatly affect the ecosystem of the new environment. The new species will compete with the native organisms of that environment for resources. This may cause the native flora or fauna to become endangered or even extinct.
The accidental introduction of invasive species happens quite often and causes a lot of problems. In a marine ecosystem, it happens a lot due to the ships that travel through a variety of marine regions.
So, ships should install some form of cleansing mechanisms before releasing their ballast water during transport and should be checked for unintended cargo.
Therefore, the correct option is D.
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Related Questions
Which statement correctly describes proteins?
A
Polypeptide chains are formed in the nucleus.
B
DNA is the original source of protein structure.
C
The function of a protein is determined by the RNA.
D
Each nucleotide base is encoded into a single amino acid.
Answers
Answer: B
Explanation:
A - not correct since polypeptide chains are formed in ribosomes which exist in the cytoplasm
C. not correct -protein function is determined by DNA
D. not correct - 3 nucleotides aka a codon is encoded into a single amino acid.
Answer:
B.) DNA is the original source of protein structure.
Explanation:
When the body is attacked by a foreign substance, the _____ defenses are the first to react.
Answers
Answer:
Correct answer is "non specific defenses"
Answer:
non specific
Explanation:
When the body is attacked by a foreign substance, the non specific defenses are the first to react.
Which of the following best describe gas particles?
SELECT ALL THAT APPLY
a moving randomly
b collide into each other
C
move slow
d high kinetic energy
moving orderly
Answers
gas particles can be described as particles that moves randomly........a
8) Which of the following is a true statement?
A Sugars and starches are broken down by your body into proteins
B. Extra protein is eliminated from the body or stored as carbohydrates
C. Carbohydrates have less than half the calories of fat
Taking large doses of vitamins and minerals is the best way to help your performance
Answers
Hybrid plants are more likely to be sterile than open-pollinated plants.
True
False
Answers
Answer: true
Explanation:
Exponential growth happens when a population grows at a decreasing rate.
O True
O False
Answers
Answer:
false
Explanation:
exponential growth happens when the population increases
A student is studying a cell from an unidentified organism. Which feature of the cell provides the strongest evidence that the organisms is a
prokaryote, and not a eukaryote?
The cell contains a nucleus and membrane-bound organelles.
The cell lacks a nucleus and other membrane-bound organelles.
The cell is surrounded by a cell membrane and a cell wall.
The sell is surrounded by a cell membrane, but not a cell wall.
Answers
Answer:
aw w
Explanation:
aw w
Edward syndrome is due to an extra chromosome number___
a)11
b)18
c)23
d)1
Answers
Answer:
Edward syndrome is due to an extra chromosome number 18
Explanation:
18 is the answer........
Historically many ideas concerning cells have been examined leaving three to be incorporated into the cell theory which of the following is not part of the cell theory
Answers
Answer:all life form contains more than one cell
Explanation: thats the only question that's not true
Historically, many ideas concerning cells have been examined, leaving three to be incorporated into the cell theory except that all life forms are made up of more than one cell as the life forms can either be single or multicellular.
What is the significance of the theory behind the cell?Cell theory, a foundational concept in biology, states that all living organisms are made of cells, and these cells come from pre-existing cells and not from anywhere else. All these postulates support the idea that cells are the basic building blocks of life and that life can only be generated through the replication process.
Hence, historically, many ideas concerning cells have been examined, leaving three to be incorporated into the cell theory except that all life forms are made up of more than one cell as the life forms can either be single or multicellular.
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Which of the following best illustrates evidence from comparative anatomy that
supports biological evolution?
A:Different Species that have body structures with multiple functions
B: Different Species that have similar bone patterns
C: Similar species that have body structures with different functions
D:Similar species that have different bone patterns
Answers
Answer:
The answer is Different Species that have similar bone patterns. I am pretty sure.
Explanation:
The biological evolution is evident from different species having similar bone structure. Thus, option B is correct.
The evolution is a process of inheritable changes in the organism over the time. The species develops from the ancestral have similar structures.
What is the evidence of Comparative anatomy?The comparative anatomy is the analysis of the pattern of evolution. The anatomy is dived with organisms belonging to same genus but have different species.
The organism of different species and same genus have similar structure, with the evolution of the functions. Thus, the evolution is evident with the organism of different species with same structure are belonged to same genus.
Hence, the biological evolution is evident from different species having similar bone structure. Thus, option B is correct.
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The traits of an organism are determined by the -
F.
sequence of nitrogenous bases in deoxyribonucleic acid.
G.
number of amino acids in a cell.
H.
position of the ribosomes on the endoplasmic reticulum.
J.
number of nitrogen bases in a codon.
Answers
Answer: F
Explanation: The alternating sequence of complementary bases is what determines traits found in organisms
Vascular plants are divided into two main groups
a. True
b. False
Answers
Eplanatuon:
Tracheobionta and Equisetopsida
Messenger RNA created through the process of transcription moves from the:
A: nucleus out to the ribosomes where translation takes place
B: ribosomes into the nucleus where
translation takes place
C: nucleus out to the lysosomes where translation takes place
D: ribosomes out to the nucleus where translation takes place
Answers
Answer: a
Explanation: transcription takes place in the nucleus. RNA leaves the nucleus to go to the ribosome where translation occurs.
Propose a series of equations to represent the equilibria described in the prelab discussion involving the transport of oxygen from the lungs to the cells and the carbon dioxide back to the lungs. Use Hb for deoxyhemoglobin, HbOx for the oxyhemoglobin, and HbCO2 for the carbon dioxide- hemoglobin structure.
Answers
Answer:
hello your question is poorly written attached below is the complete question
answer :
Hemoglobin + oxygen ⇄ oxyhemoglobin
[tex]Hb_{4}(aq) + 4O_{2}[/tex] ⇄ [tex]Hb_{4}O_{8}[/tex]
Explanation:
The series of equation to represent the equilibria described in the prelab discussion can be written as :
Hemoglobin + oxygen ⇄ oxyhemoglobin
[tex]Hb_{4}(aq) + 4O_{2}[/tex] ⇄ [tex]Hb_{4}O_{8}[/tex]
the Sting of bees contains which acid
Answers
Answer:
Formic acid
Explanation:
It is a type of acid which causes the sting. The sting can be neutralised by applying a base.
Answer:
HistamineExplanation:
It makes up 0.9% of venom, and causes itching and pain at the sites of the Sting.how to calculate the first hundred terms of a sequence
Answers
Answer:
Question: what is the sum of the first 100 whole numbers?? how am i supposed to work this out efficiently? thanks
The question you asked relates back to a famous mathematician, Gauss. In elementary school in the late 1700’s, Gauss was asked to find the sum of the numbers from 1 to 100. The question was assigned as “busy work” by the teacher, but Gauss found the answer rather quickly by discovering a pattern. His observation was as follows:
1 + 2 + 3 + 4 + … + 98 + 99 + 100
Gauss noticed that if he was to split the numbers into two groups (1 to 50 and 51 to 100), he could add them together vertically to get a sum of 101.
1 + 2 + 3 + 4 + 5 + … + 48 + 49 + 50
100 + 99 + 98 + 97 + 96 + … + 53 + 52 + 51
1 + 100 = 101
2 + 99 = 101
3 + 98 = 101
.
.
.
48 + 53 = 101
49 + 52 = 101
50 + 51 = 101
Gauss realized then that his final total would be 50(101) = 5050.
The sequence of numbers (1, 2, 3, … , 100) is arithmetic and when we are looking for the sum of a sequence, we call it a series. Thanks to Gauss, there is a special formula we can use to find the sum of a series:
S is the sum of the series and n is the number of terms in the series, in this case, 100.
Hope this helps!
"ucture and properties of Matter
Question 1 of 20
Which statement describes the difference between covalent bonds and Van
der Waals forces?
O A. Covalent bonds form from the attraction of positive ions and
freely moving electrons, while Van der Waals forces cause an
attraction between nonpolar molecules.
B. Covalent bonds form when there is an attraction between
nonpolar molecules, while Van der Waals forces cause two atoms
to share valence electrons.
C. Covalent bonds occur when two atoms share valence electrons,
while Van der Waals forces cause an attraction between positive
Answers
Answer:
Covalent bonds form when two atoms share valence electrons,
while Van der Waals forces cause an attraction between nonpolar
molecules
Explanation:
A covalent bond is said to be formed when two atoms of the same or different elements share electrons. In an ordinary covalent bond, each bonding atom contributes one valence electron while in a dative covalent bond only one of the bonding atoms provides the shared pair of electrons.
Van Der Waals forces is the major intermolecular interaction between non polar compounds. Van Der Waals forces " are caused by correlations in the fluctuating polarizations of nearby particles"(Wikipedia).
Answer:
Covalent bonds form when two atoms share valence electrons, while Van der Waals forces cause an attraction between nonpolar molecules.
Explanation:
Apex.
Beak of the Finch Summary
Instructions: Write 3 paragraphs (3-4 sentences each) about the beak of the finch video. Paragraph 1→ Summarize the video/ Paragraph 2→Explain a few interesting facts you learned from the video/ Paragraph 3→ Relate the video to what we have learned in class about evolution.
Plz ill brainlist you
Answers
Answer:
where is the video please show its
A. Label each step in the water cycle, using the words condensation,
evaporation, precipitation, and solar energy.
an
Answers
Answer:
The first one that points to the arrows under the sun is solar energy. The second one that points to the arrows below the could is evaporation. The third one that points at the cloud is condenstaion. The fourth one that points to the rain is precipitation.
Explanation:
Solar energy: Energy from the sun
Evaporation: The process by which water changes from a liquid to a gas or vapor.
Condensation: Water which collects as droplets on a cold surface when humid air is in contact with it. (MAKES CLOUDS)
Precipitation: Rain, snow, sleet, or hail that falls to the ground.
help?ill mark brainlist
Answers
Answer:
b seems r8 answer.........
The cholesterol associated with membranes
- helps stabilize the membrane at body temperature
- is attached to proteins and extends into the environment surrounding the cell
- both a and c
- is an abnormality resulting from a diet high in cholesterol
Answers
Answer:
b) It interferes with the movements of the fatty acid tails of the phospholipids.
Explanation:
Cholesterol has many important functions, including its role in membrane permeability, especially the cell membrane, and its role in metabolism. Cholesterol reduces the permeability of lipid membranes. ... Cholesterol helps to restrict the passage of molecules by increasing the packing of phospholipids. Steroid molecule that makes membranes more fluid at low temps and more ordered at high temps.
- Flat, rigid, carbon rings interfere with the movement of phospholipids.
- Smaller and less amphipathic lipid that is only found in animals.
- Sandwiched between fatty acid tails of phospholipids.
True or false An organelle is made up of different tissues working together...
Answers
Answer:
False
Explanation:
Level of Organization is as follows:
Organelles --> Cells --> Tissues --> Organ --> Organ System
Secondary growth would not result in which of these things?
- Thickening of shoots
- Secondary roots
- Creation of secondary xylem
- Extension of shoot
Answers
17. What structure connects muscle to bone?
Answers
Explanation:
tendone connect muscle to bone
Answer:
Tendon connects muscle to bone.
hope it helps :)
Explanation:
what is the biological term of the Close Association between two organisms where one or both benefit
Answers
Answer:
Symbiosis is the biological term of the close association between two organisms where one or both benefit.
i have a question for you guys
Answers
Answer:
B. the birthrate of lions increases
Explanation:
Part D A scientist comes up with an idea to reintroduce a shark that eats lionfish into the Atlantic Ocean. What are the possible benefits and risks of this idea? In your answer, state two questions you’d ask the scientist before agreeing to the plan.
Answers
Answer:
The shark may balance out the lionfish population. However, its presence in the ocean may also negatively affect other organisms. The shark may start preying on natural species, leaving little food for native predators. Two questions to ask the scientist are, Does this shark have any natural predators in the Atlantic Ocean to help control its population numbers? and What other organisms does the shark eat?
Explanation:
i got this from edmentum-
Although some species of grouper and shark may be able to eat them, lionfish have relatively few predators in the area they have invaded because of their deadly spines. Although lionfish are widely distributed, most sharks won't readily eat them.
What eats lionfish into the Atlantic Ocean?The shark might maintain lionfish populations in balance. Its presence in the ocean, however, might also have a harmful impact on other organisms. It's possible that the shark will start eating native animals, leaving little food for them.
Do this shark's natural predators in the Atlantic Ocean aid to regulate its population numbers? Are two queries to put to the expert. What other kinds of creatures does the shark consume?
Therefore, Because the Moray was discovered in a location where divers would not have been searching, this is the first confirmed instance of natural predation of the invasive lionfish in the Atlantic Ocean.
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1. In what form is O2 transported from the lungs to the tissues
Answers
Answer:
Oxygen is transported from the lungs to the tissues in the form of reversibly bound to haemoglobin and dissolved in plasma (and intracellular fluid).
Which of the following most likely has the greatest
thermal energy?
A. water going over a waterfall
B. water in a lake
C. water from a hot water tap
O D. water vapor
Answers
Which of the following is NOT one of the key characteristics of a well-designed test?
A) standardization
B) reliability
C) validity
D) brevity
Answers
Answer:
D) brevity
Explanation:
A test can be defined as an examination or quiz given to a student (pupil) during an academic calendar in order to measure or determine his or her intelligence. It is usually graded based on a set of defined grades or scores.
The key characteristics of a well-designed test includes the following;
I. Standardization: it is important that test is set based on certain criteria and acceptable rules within the education community and curriculum.
II. Reliability: the questions contained in a test should be credible and backed by correct answers.
III. Validity: the test questions should be genuine and authentic across board.
However, brevity simply means succinctness or conciseness i.e the test should be brief and very short in duration.