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One of the best ways to determine if a tree or any plant is dead is the tree scratch test. Just beneath the dry, outer layer of bark in a tree's trunk lies the cambium layer of bark. In a living tree, this is green; in a dead tree, it is brown and dry
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why a law is accepted as fact, but a theory is not.
Answer:
A law is accepted as a fact because this cannot be changed. A theory however can be changed over time
Explanation:
I took tests :p
HELP FAST write a 3 sentence explanation of this picture using the terms bioaccumulation and biomagnification
Answer:
Explanation:Bioaccumulation occurs when toxins build up - or accumulate - in a food chain. The animals at the top of the food chain are affected most severely. This is what happens: Small amounts of toxic substances - often pesticides or pollution from human activity - are absorbed by plants.while biomagnification is the process by which toxins are passed from one trophic level to the next (and thereby increase in concentration) within a food web. ... dissolve into the fatty tissues of living organisms.
What is the acceleration due to gravity on another planet if the potential energy of an object on
that planet is 600 J, the mass of that object is 2 kg, and the height of that object is 3 meters?
Answer:
g = 66.7 ms^-2 (3 s.f.)
Explanation:
Potential Energy -> PE
m -> mass
g -> acceleration due to gravity
h -> height
using the formula, PE = mgh
600 = 3 × g × 3
9g = 600
g = 600/9
g = 66.666
g = 66.7 ms^-2 (3 significant figures)
Describe the levels of organization of life
Answer:
The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.Aug 14, 2020.
This past winter, the weather of a region stayed cold and snowy for three months past spring, which is an anomaly for the area. Which of the following scenarios would be a result of the prolonged winter?
O The number of deer and rabbits in the area will be higher than last year.
O The number of deer and rabbits in the area will be lower than last year.
O The new plant life that can survive harsher winters will grow immediately. OThe amount of water available for animals will decrease significantly.
Answer:
The number of deer and rabbits in the area will be lower than last year.
Answer:
3) The number of deer and rabbits in the area will be lower than last year.The reason why I chose this answer was:It was too cold the animals wouldn't come out many
nellie had four air plants on her desk
Answer:It’s the independent variable
Explanation:Watering the plant doesn’t rely upon other variables it itself is the variable making it independent
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Unlike simple amino acids, complex proteins are
(A) Made by bacteria
(B) Polymers of monomer subunits
(C) Not digestible
(D) Made of C, H, O, and P
E) Made by hydrolysis
Answer:
D
Explanation:
because they have C, H, O, and N but about 500 naturally occurring amino acids are known and can be classified in many ways. But they have all of the answer that you put down I think
Explanation:
D)made by c,h,o,and p
The range is always associated with which values? *
Answer:
the range of the function is the set of all values that f takes
Explanation:
What is the density of a substance that weighs 4.2g and takes up a volume of 18cm3?
The density would be 14.567 lb/cu ft
Answer: would be 14.567 lb/cu ft
Explanation: first you would subtract it then you divide it and you get your answer.
Describe the biological community you live in and explain what role (niche) you play in it.
Answer:
The biological community you live in is wherever you live and the biotic and abiotic aspects of where you live. Your role in that community is predation of many different types of species and mutualism, as you help the people around you and they help you. (or parasitism if you mooch off your parents)
1. What is the weight of an object that has a base of 3 square meters and has a pressure of 21 newtons per square meters?
Answer:
63N
Explanation:
To calculate the weight (force) that an object exerts, the formula is used:
Pressure = Force / Area
Where; P = pressure
F = applied force
A = the surface area the
force is applied to
According to the question; P= 21N/m^2,
F= ?, a = 3m^2
Force = pressure × area
Force = 21 × 3
Force = 63N
Hence, the weight of the object is 63N
Suppose you position the slide correctly on the stage, but when you first look at the slide, part of the slide appears to be in the dark while the other side is brightly lit. What is most likely the cause for this area of darkness?
Nitrogen base, carbon sugar, phosphate group, What macromolecule is this?
Answer:
The macromolecule is nucleic acids (more importantly the nucleotides)
Explanation:
Nucleotides belong to the DNA/ nucleic acid part of macromolecules.
Describe what defines a factor that is tested in a controlled experiment
I will give brainliest!!!! A plant is moved from direct sunlight and placed into complete darkness. Which structure in the plant's cells would be most affected by this change? Choose 1 answer: (Choice A) A Chloroplast (Choice B) B Mitochondria (Choice C) C Golgi body (Choice D) D Vacuole
Answer:
a
Explanation:
An area that provides food and shelter see see
What kind of effect can a chromosomal change can have on an organism? positive, negative, or no effect positive or no effect negative effect positive or negative effect
Answer:
positive, negative, or no effect
Explanation:
It was right on the test
Positive, Negative or no effect can a chromosomal change can have on an organism. So, the correct option is (A).
What is Chromosomal change?When there is an increase or loss of chromosome number from the normal number of chromosomes which is 46, it is called aneuploidy. A common form of aneuploidy is trisomy which is the presence of an extra chromosome in cells.
"Tri-" is Greek for "three" which define as the people with trisomy have three copies of a particular chromosome in their cells instead of the normal two copies.
Chromosomal abnormalities can occur when an accident occurs when the egg or sperm are being formed or during the early developmental stages of the embryo. Maternal age and certain environmental factors may play a role in the occurrence of genetic errors. There are Positive, negative, or no effect in the chromosomal change.
Thus, Positive, Negative or no effect can a chromosomal change can have on an organism. So, the correct option is (A).
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5 important reactions that are important for metabolism
Which of the following lists these fluids from least acidic (first) to most acidic (last)? Choose 1 answer: Choose 1 answer: (Choice A) A Cell interior, blood, digestive fluid (Choice B) B Digestive fluid, cell interior, blood (Choice C) C Blood, cell interior, digestive fluid (Choice D, Checked) D Blood, digestive fluid, cell interior
Answer:
c
Explanation: I am doing the same assignment and it was c
In what ways does a compound differ from its component elements?
Answer:
The physical and chemical properties of a compound differ from its component elements.
Explanation:
Pls pls pls help How do viruses spread?
Not sure if this is right who can help??
Answer:
yes you picked the right answer
Explanation:
Answer: An Explanation For Something That Is Observed in the Natural World
Explanation:
describe the passage of a water molecules from the soil, up the transition stream, to mixing with other air particles as water vapor?
Which type of population growth is shown in this graph?
Population of Bacteria
A graph entitled Population of Bacteria has generation on the horizontal axis, from 0 to 10, and population size on the vertical axis, from 0 to 35,000 in increments of 5,000. From generations 1 to 7, the population size was close to 0. From generations 7 to 10, the population size increased rapidly.
Answer:
A: exponential
Explanation:
I did the test
Answer: ExPoNeNtIaL
Explanation: Im SmArT
, What behavioral genetic research finding seems to support the conclusion that the effect of growing up in the same home environment is rather minimal? a. The personality traits of adoptive siblings raised in the same family are correlated around .05. b. The personality traits of monozygotic (MZ) twins are correlated at .50 on average. c. The personality traits of dizygotic (DZ) twins are correlated at .30 on average. d. The personality traits of adoptive siblings raised in the same family are correlated above .25.
Answer:
a. The personality traits of adoptive siblings raised in the same family are correlated around .05.
Explanation:
Both genes (inheritance) and environment play roles in literally everyone human traits including human personality. Nonetheless, recent research involving adoptive siblings and monozygotic twins, which are genetically identical, strongly suggest that there is a predominant genetic influence on this human trait. In consequence, environmental factors play minor roles in human behavior. In the case above indicated (i.e., adoptive siblings in the same home), the low correlation value shows a minor effect of the environment on the personality.
what are the 3 types of scientific models
Which is an energy conversion that occurs during cellular respiration?
ADP à ATP
FADH2 à FAD
pyruvate à glucose
light energy à chemical energy
Answer:
ADP to ATP im pretty sure.
Explanation:
Edge 2021
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ADP is converted to ATP in cellular Respiration.
What is Cellular Respiration?Cellular Respiration refers to is different of metabolic reactions and processes that occur in organisms in which oxygen and chemical energy in food molecules are converted into adenosine triphosphate (ATP), and then release waste products.
In cellular Respiration Adenosine diphosphate is converted to Adenosine triphosphate.
Therefore, ADP is converted to ATP in cellular Respiration.
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If perfect growing conditions allowed a population of producers to grow and increase in density, which of the following changes in the food web would be expected initially?
A. New populations of herbivores would enter the food web
B. The population size o fab herbivores in the food web would decrease
C. Members of predator populations would leave the food web
D. The population size of predators in the food web would decrease
Answer:
A.
Explanation:
The population of herbivores wouldn't decrease because their food source is being increased. Predators wouldn't leave because more herbivores come to eat the increased number of producers, thus more than likely increasing the number of predators.
Initially, it would be expected that the food web would evolve when new populations of herbivores entered it. So, the correct option is A.
What is Food web?All the food networks in a specific ecosystem make up a food web. Each organism inside an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as their move through the environment.
A food web is created by the linkages between various, interdependent food chains. It involves intricate relationships between producers and consumers. Here, a variety of lower trophic level species are consumed by higher trophic level organisms.
At first, it would be anticipated that as additional population of herbivores entered the food web, it would change.
Therefore, the correct option is A.
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In the morning, the water levels in a local marsh rise and cover the clam beds. In the evening the water level decreases, making it easier for local fisherman to collect clams. What type of disruptive event does this describe?
Episodic
Extinctive
Periodic
Random
Answer:
Periodic
Explanation:
got the question right
Disruptive events are disasters that disturb the pre-determined arrangement. The change in the water level in the local marsh is an example of periodic disruptions. Thus, option C is correct.
What are periodic disruptions?Periodic disruptions are the disturbances in that occur in a regular time interval at a fixed rate and fix time. The episodic are occasional and irregular events, while the random is not determined and fixed at all.
The water level shows the period movement as it decreases in the evening and rises in the morning. It shows that the water level rises and decreases in a regular pattern and time.
Therefore, the rise and decrease in water level is a periodic disruptive event.
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5.
Which property is demonstrated when you see beads of water on a waxed car hood?
Answer:
This would be the property of adhesion.
Explanation:
Water molecules attach to other water molecules to form a bead.
The property of water that is demonstrated when you see beads of water on a waxed car hood is adhesion.
What are the properties of water?The properties of water are as follows:
It is polar in nature.It has a high heat of vaporization and high specific heat.Its solid form is less dense as compared to its liquid form.It illustrates other properties like cohesion and adhesion.It acts as a universal solvent.The molecules of water possess a specific property which is known as adhesion. This property of water makes its molecule associated or bound to other water molecules in order to construct a bead of water.
This property of water is also seen when domestic utensils are attached to one another with extremely high intensity.
Therefore, the property of water that is demonstrated when you see beads of water on a waxed car hood is adhesion.
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