Impermeable surfaces increase water runoff that may cause flooding.
a. true
b. false
10. A(n) _________________________ sequence can be compared between two different organisms to determine their relationship.
11. A structure that had a function in the past like the wings of an ostrich but do not have a function now are called _______________________________.
2.16 Unit Test: Evolution - Part 1
Answer:
*see docs*
Explanation:
*i took the test and did the Practice activity*
In your own words, explain how the changes in the density of ocean water causes movement of ocean water from one place to another.
Answer: The density of water plays a very significant role in the movement of ocean water. This density sometimes shows variations, that are caused by the factors such as temperature as well as the salinity.
The density of a water is directly proportional to its salinity and inversely proportional to its temperature. This means that, as the temperature decreases density increases and as the salinity increases density increases.
So this two factors togetherly, are responsible for the ocean water circulation due to the affect of coriolis force and the surface wind, known as the thermohaline circulation.
This ocean water when flows, carries heat from one place to another.
Look at the branching tree diagram below.
Which group of organisms evolved after dogs?
Answer:
just marsupials
Explanation:
Answer:marsupial
Explanation:
Alana's diet contained 2150 kcal, with grams of protein (is this plenty for her?), 360 grams of carbohydrate, answers
Final answer:
Alana's protein intake is adequate if it ranges from 54 to 161 grams for a 2150 kcal diet, aligning with the AMDR of 10 to 30 percent of caloric intake. Her carbohydrate intake is slightly above the AMDR recommendation, which suggests a range of 242 to 349 grams for her caloric level. It's critical to personalize dietary recommendations based on individual health goals and activity levels.
Explanation:
The question seeks to evaluate if 2150 kcal with an unspecified amount of protein is sufficient for Alana's dietary needs. To determine the adequacy of protein intake, we refer to recommended dietary guidelines. The Acceptable Macronutrient Distribution Range (AMDR) for protein is 10 to 30 percent of daily calories. Using the higher end of this range for active individuals (such as endurance athletes), and assuming Alana falls into this category, an intake of 93 to 108 grams of protein would be appropriate on a 3000-kilocalorie diet, making up approximately 12 to 14 percent of daily calories. If Alana's diet contains 2150 kcal, approximately 54 to 161 grams of protein would align with the AMDR, based on 10 to 30 percent of her caloric intake.
For carbohydrates, the AMDR is 45 to 65 percent of daily calories, equating to roughly 242 to 349 grams for a 2150-kilocalorie diet. Alana's current intake of 360 grams of carbohydrate slightly exceeds this range, suggesting that while her carbohydrate intake may be sufficient or somewhat high, it is crucial to emphasize carbohydrates high in fiber for the majority of intake.
To assess the overall balance of Alana's diet, it's essential to consider her specific health goals, activity levels, and any dietary restrictions she may have. Consulting a dietician or nutritionist would provide personalized guidance.
A primigravida client with severe gestational hypertension is admitted to the labor unit. she has been receiving magnesium sulfate iv for 3 hours. the latest data reveals deep tendon reflexes (dtrs) of +1, blood pressure of 150/100 mm hg, a pulse of 92 beats/minute, a respiratory rate of 10 breaths/minute, and urine output of 20 ml/ hour. which action would be most appropriate?
Answer:
Stop the magnesium sulfate infusion.
Explanation:
The patient shown above shows magnesium sulfate toxicity so infusion of this element should be discontinued. In addition, magnesium sulfate should not be used in patients with the physical conditions shown in the above question such as poor and insufficient respiratory rate, urinary output and weak and minute reflexes.
Magnesium sulphate is indicated for replacement of magnesium levels in the treatment of hypomagnesemia, cerebral edema, eclampsia, seizure control in acute uremia, uterine tetany, control of cardiac arrhythmias and barium poisoning, but should be discontinued when patient shows signs of toxicity or exhibits the symptoms shown above.
"a lake is one example of local base level.
a. true
b. false"
identify the components involved in transcription, translation, and protein modification.
Answer:
DNA helix,vesicleproteinsingle-stranded
RNAmodified,endoplasmic reticulum,ribosome,Golgi apparatus,protein released
from vesicle,modified
protein,transport
vesicle,protein,polymerase
Explanation: right too left
A tall pea plant (Tt) is crossbred with a short pea plant (tt). The following Punnett square shows the separated alleles for two pea plants.
Which of the following shows the correct match of the box numbers and the genotype of the offspring?
1 = Tt; 2 = tt; 3 = Tt; 4 = tt
1 = Tt; 2 = Tt; 3 = Tt; 4 = Tt
1 = Tt; 2 = Tt; 3 = tt; 4 = tt
1 = Tt; 2 = tt; 3 = tt; 4 = tt
Diseases can be caused by inherited disorders, exposure to toxic substances, organ malfunction and certain personal behaviors. Choose two of the above and for each one give a specific example of an associated disease using the lines below:
Answer:
Organ malfunction and certain personal behaviors
Explanation:
Personal behaviors: Alcoholism is considered a disease by the WHO (World Health Organization). It is characterized by constant, uncontrolled and progressive use of alcoholic beverages can seriously compromise the proper functioning of the body, leading to irreversible consequences. The alcohol-dependent person not only harms his own life, but also affects his family, friends and co-workers.Organ malfunction: Kidney failure is the condition in which the kidneys lose their ability to perform their basic functions, including filtering blood to eliminate harmful substances in the body and maintaining the balance of electrolytes in the body. Chronic kidney disease is estimated to reach 10% of the world's population, affecting people of all ages, but especially the elderly.Which level of organization in the classification system is directly above the class level?
Domain
Family
Kingdom
Phylum
Answer:
Phylum
Explanation:
In the biological classification system, categories are used to group organisms according to their similarities. The basic category is species, which is defined as similar beings who are able to reproduce naturally and generate fertile descendants.
Animals of the same species are grouped into another category, the genus. All who belong to the same genre are grouped into families, which are grouped into orders, which in turn come together in classes, assembled in phyla, and finally we have the kingdoms. Kingdoms are therefore the last category in the hierarchy and subdivided into the most basic category. So we have:
Kingdom ⇒ Phylum ⇒ Class ⇒ Order ⇒ Family ⇒ Gender ⇒ Species
From this we can conclude that the level of organization in the classification system that is directly above the level of "class" is the "phylum".
Answer: Kingdom
Explanation: In this system of classification, kingdom is always ranked the highest followed by division, class, order, family, genus, and species.
and i got it right on my test
meiosis is the process in which
The mitral valve is in between which two chambers of the heart?
Left atrium is known to be one of the four chambers of heart that receives oxygenated blood from the right and left pulmonary veins. This blood is pumps to the left ventricle through the mitral valve. However, left ventricle is responsible for pushing oxygenated blood through the aorta to the rest of the body.
what is typical of cell reproduction when normal cells are reproduced in a Petri dish from a tissue culture? check all that apply
1.cells reproduce only when there is room in the Petri dish
2.cells reproduce one layer thick and then stop reproducing
3.cells undergo unlimited reproduction by mitosis
4.when a cell dies or is damaged, a new one is created to fill the empty spot
Competitive ______ occurs when the competing species is no longer present.
A. exclusion
B. release
C. expulsion
D. none of the above
The correct answer is B. release
Explanation:
In ecosystems, competition occurs as different organisms or species need the same limited resources such as water, territory, food or shelter and therefore compete for it, this includes competition within species and also between them. This type of interaction often leads to the disappearance of one of the organism or species interacting, which is regulated by the competitive exclusion principle that states to species competing cannot coexist. Additionally, once one of the competing species is no longer present competitive release occurs, this implies the competition ends and the remaining species can access the resources more fully. According to this, competitive release occurs when the competing species is no longer present.
The range or area occupied by a population is called,
Which section of the brain controls language
Left Hemisphere
The brain is an organ that control all the functions of the body which includes movement of the arms and legs, memory and speech, thoughts and function of many organs in the body. The left hemisphere is the part of the brain that is responsible for the control of speech, arithmetic and writing and comprehension.
Imagine that a strand of DNA has the following sequence of bases: AAGTTCGTCATC. What sequence of bases will the complementary strand of DNA have?
Bone with insufficient or abnormal collagen would _____ compared with healthy bone. (select all that apply.)
Answer:
Bone with insufficient collagen has a grater chance to get fractured compared to a healthy bone.
Explanation:
Collagen is one of the most abundant fibrous protein in human body. It is made by the connective tissue cells. It forms scaffold which provides strength to the bones. Its also present in skin, muscles ad tendons. Insufficient or abnormal collagen leads to Osteogenesis imperfecta. It is a condition where bones become brittle.
What type of microscope is used to show the fine detail of cell organelles, as well as the spindle fibers and chromosomes as seen during anaphase?
What safety precautions should one take when using chlorinated solvents for extraction?
The correct answer is that the lab should be well ventilated, there should be no flames and wear gloves.
When using chlorinated solvents for extractions the precautions should take is that, the lab should be well ventilated, there should be no flames and a person should wear gloves.
Chlorinated solvent is a large family of chemical compounds that contains chlorine. Examples are trichloroethylene and carbon tetrachloride.
Chlorinated solvents are used for wide variety of industrial and commercial it includes decreasers, cleaning solution, pesticides, resins, glues and thinners.
Chlorinated solvents leaves the body through urination and exhalation.
It can lead to long-term or short-term.
Explain how flowering and non flowering plants are classified into major groups
Plants are classified into non-vascular, vascular, gymnosperms, and angiosperms. Flowering plants (angiosperms) are divided into monocots and dicots, with details about their life cycle and structure. Non-flowering plants (gymnosperms) do not produce flowers but have seeds.
Plants are classified into major groups based on their characteristics and reproductive structures. Here is how flowering and non-flowering plants are classified:
Classifications of Plants
Seedless Non-Vascular Plants: These include bryophytes like mosses and liverworts. They do not have vascular tissues and reproduce via spores.Seedless Vascular Plants: These include ferns and horsetails, which have vascular tissues but reproduce via spores rather than seeds.Gymnosperms: Non-flowering plants that produce seeds not enclosed in an ovary. Examples include conifers like pine trees.Angiosperms: Flowering plants that produce seeds enclosed within an ovary. Angiosperms are classified further into monocots and dicots.Groups Within Angiosperms
Monocots: These plants form a single cotyledon (seed leaf). Examples include grasses, lilies, and irises. They typically have parallel leaf venation and floral parts in multiples of three.Dicots: These plants form two cotyledons. Examples include roses, sunflowers, and oak trees. They typically have net-like leaf venation and floral parts in multiples of four or five.Basal Angiosperms: These are primitive flowering plants that diverge early from other angiosperms. Examples include magnolias and water lilies.Which pathway would be used during a one minute, steep climb?
Answer:
Anaerobic Respiration
Explanation:
Just took the test.
Answer:
Anaerobic Respiration
Explanation:
got right on edge
Which of these is a renewable building material?
A) Limestone
B) Granite
C) Wood
D) Steel
Answer: Wood
Explanation: The substances can be regrown or reused again after using it for the first time is known as renewable resources.
Here, the wood is obtained from the trees and trees can be considered as the source of renewable resources.
It can be grown again and again and woods from the trees can be used for various processes.
which of the cell's organelles releases energy stored in food?
A.mitochondria
B.chloroplasts
C.lysosomes
D.endoplasmic reticulum
Mitochondria releases energy stored in food. Correct option is A.
Mitochondria are the cell's organelles responsible for releasing energy stored in food. They are often referred to as the "powerhouses" of the cell. Through a process called cellular respiration, mitochondria convert nutrients from food, such as glucose, into usable energy in the form of adenosine triphosphate (ATP). This energy is essential for various cellular activities and functions. Mitochondria are found in most eukaryotic cells, including animal and plant cells.
The primary function of mitochondria is to generate energy in the form of ATP through a process called cellular respiration. This process involves breaking down organic molecules, such as glucose, obtained from food to release energy. Mitochondria act as the site for several interconnected reactions that occur in different stages: glycolysis, the citric acid cycle (also known as the Krebs cycle), and the electron transport chain.
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How are mitosis and meiosis similar A.) they both produce gametes B.) they both involve duplicating chromosomes C.) they both produce retreads D.) they both increase the chromosome number
The prophase, metaphase, anaphase, and telophase stages are common for both cycles. chromosomes synthesis occurs during both cycles, hence option B is correct.
What is mitosis and meiosis?Cell division occurs during meiosis as well as mitosis. The M-phase of the cell cycle is when both processes take place.
Meiosis creates cells that are genetically distinct from the parent and have half as much DNA as mitosis, which divides a single "parent" cell into two genetically identical "daughter" cells.
The majority of cells in the body undergo mitosis on a regular basis, although some do so more often than others.
One cycle of DNA replication precedes both meiosis and mitosis, but meiosis also involves two nuclear divisions. Meiosis produces four haploid daughter cells, each of which has a unique genetic makeup.
Therefore, mitosis and meiosis both involve duplicating chromosomes, hence option B is correct.
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What are the disadvantages of a flatworms digestive system having only one opening?
Why is the percentage of food eaten a good number to use?explain
To understand that you have to balance each food you intake in your body; Balancing your food is not only used to make you stay fit but it can enhance your mental and physical health. Nutrition is vital for your body and all of its systems to function properly, by having good nutrition it will help you maintain a healthy weight, reduce body fat, provide your body with energy, promote good sleep and generally make you feel better.
With the use of proper diet, you will go on to your everyday routine without feeling uncomfortable. Eating a diet rich in some vegetables and fruits as part of an overall healthy diet may protect against certain types of cancers. Diets rich in foods containing fiber, such as some vegetables and fruits, may reduce the risk of heart disease, obesity, and type-2 diabetes.
The percentage of food eaten provides valuable insights into energy conversion, nutrition, and socio-economic trends. It details how much of our food energy is converted into work, thermal energy, or stored fat, aids in making healthy food decisions, and reflects socio-economic shifts in food consumption.
Explanation:The percentage of food eaten is an important number to use as it helps us understand the energy conversion and nutritional value of what we consume. It is a ratio that reveals that very little of the energy released in the consumption of food is used to do work. In fact, less than 10% of our food energy intake is used to do work while more than 90% gets converted to thermal energy or stored as chemical energy in fat. Moreover, knowing the percentage can be beneficial when making healthy food choices. Foods high in fiber and proteins are considered healthier as their nutrient density is high.
Furthermore, such information contributes valuable insights into socio-economic trends. For example, as income rises, people demand more calories from fats and proteins and fewer from carbohydrates. This has implications for global food production, obesity rates, and environmental consequences. Thus, the percentage of food eaten serves as a significant figure in understanding individual and community health, and global food economics.
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A medium-temperature star like the Sun would most likely emit its most intense radiation as _____.
ultraviolet light
visible light
microwaves
radio waves
Answer:
Ultraviolet light
Explanation:
Evolution theory is based on the supposition that energy plus matter plus natural chemical reactions are sufficient to ultimately produce functioning interrelated complex systems. True False
SOS:
The answer is TRUE!!!!
Hope this helps!!