Which gas was most likely not present in creating the amino acids of early Earth's waters of the past?
ammonia
sulfur
hydrogen
nitrogen
Answer: the answer is sulfur.
Explanation: I took the test
Please help due soon! Will mark brainlist
Answer:
Answers are in the image
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Cross an individual who is heterozygous for baldness with one who is hom0zygous recessive. If the children were all boys, what would the phenotypic ratio for the above cross be? What would the phenotypic ratio be if they were all girls?
An important difference between a series and a parallel circuit is that a series circuit cannot have any breaks. A parallel circuit can have a break in one branch and the current can still flow through another branch.
Answer:
Yes.
Explanation:
Parallel circuit are those types of circuits in which break in one branch does not prevent the flow of current in the circuit and the current can still flow through another branch because there are more ways through which the current moves to other sources while on the other hand, series circuit refers to those circuits in which break in one branch can prevent the current flow in the circuit and the other sources can't receive current due to broken of the connection.
What is the diaphragm? Please help!
A. muscle
B. tendon
C. cartilage
D. ligament
Answer:
A
Explanation:
because
Answer:
A.muscle
Explanation:
It's the muscle below our lungs
In this part of the laboratory exercise, you will learn how to read a weather station model. Using your Earth Science Reference Tables, fill in the data tables below each station model.
Answer:
welp, hope he helps you sir!
Explanation:
List 3 examples of something that have evolved over time.
Answer:
peppered moth- became darker because of pollution
darwins finches- beaks became smaller over time to eat the smaller nuts/seeds left
deer mice- became lighter being as their surroundings changed/ones that moved from forrests
Answer:
Peppered mothDarwin's finchesDeer miceExplanation:
These are the 3 examples of something that have evolved over time.
What kind of relationship do these
bacteria and humans have?
a. Commensalism
b. Mutualism
c. Parasitism
d. Predation
Answer:
a.commenslism
Explanation:
hope it helps
You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives regular water. After a two-week period, the height is measured.
1. Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?
»» (c) Biological names can be written in any language.
EXPLANATION:➱ Biological names are derived either from Latin language or are latinised. This is because Latin language is a dead language and therefore it will not change in form or spellings with the passage of time.
Genes are strands of
found on chromosomes in the nucleus of a living cell.
A
mutations
B
DNA
C
minerals
D
cells
Answer:
b)DNA is the correct answer
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Which statement correctly describes the difference between cellular respiration and photosynthesis?
A.
Photosynthesis involves chemiosmosis, and cellular respiration doesn’t involve chemiosmosis.
B.
Photosynthesis doesn’t produce any ATP, and cellular respiration produces ATP.
C.
Photosynthesis occurs during the day, and cellular respiration occurs at night.
D.
Photosynthesis creates energy that the plant stores, and cellular respiration utilizes the energy.
E.
Photosynthesis is an anabolic reaction, and cellular respiration is a catabolic reaction.
Answer:
The answer is E.
Explanation:
An anabolic reaction is one that involves the building of complex substances from simple ones and it uses up energy. Photosynthesis is an anabolic reaction because It requires energy.
A catabolic reaction is one that involves the breakdown of complex substances into simpler ones and in the process energy is released. Cellular respiration is catabolic because energy is released during this process.
Answer:
The person is correct
Explanation:
I got it right
Conservationists help to restore ecosystems. Which activity will positively affect the abiotic conditions of an ecosystem?
A.
Keeping lakes and rivers free of pollution.
B.
Planting new trees to provide food for animals.
C.
Monitoring the ecosystem for bacterial pathogens that can cause illness.
D.
Mating endangered animals in captivity and restoring them to their natural habitat.
Which type of growth can occur only when a population has unlimited resources?
limited
logistic
exponential
negative
Answer:
c. on edge
Explanation:
When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. The correct answer is c) exponential.
What is the exponential growth curve?Exponential growth curves and logarithmic growth curves are the two different forms of growth curves. In an exponential growth curve, the slope increases steadily over time. A logarithmic growth curve has a steeply increasing slope that gradually flattens out over time.
The exponential growth curve, which has a J-shape, shows a period of time where the results develop rapidly and steadily. It is the reverse of gradual progress. This curve initially climbs gradually before accelerating, which represents multiplied growth.
With exponential growth, a population's growth rate per capita (per person) remains constant regardless of population size, causing the population to expand exponentially as it grows larger. In nature, populations may expand exponentially for a while, but ultimately, their growth will be constrained by the availability of resources.
Exponential expansion happens when resources are unrestricted. Due to the favorable conditions, there are a lot more births as a result of the food excess.
Therefore, the correct answer is c).
For more details regarding the exponential growth curve, visit:
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Kelp forests are unique and diverse coastal ecosystems in the ocean. How would a
decrease in biodiversity in these ecosystems, due to changing climate, affect the larger biosphere? please help!!!
Explanation:
Kelp forests are the anchor of nearshore ocean wildlife communities across the U.S. West Coast and northeast, sustaining marine biodiversity by providing shelter, habitat and even food for an array of fish and invertebrates.
Explain why Fossil Fuels are good and bad? Give an example.
Answer:
it can cause environmental pollution but at the same time it reuses any excess waste from coal, oil etc.
why are plants the start of the food web
What is the purpose of an outline?
to list the main topics and show the order they will appear in
to show the number of sentences in each paragraph
to help you remember key words about your topic
Answer: to list the main topics and show the order they will appear in
Explanation: Outlines are intended to help a person organize a paper and help the paper flow well.
Answer:
to list the main topics and show the order they will appear in
Explanation:
List ten adaptions that pinus plants display that allows them to survive a terrestrial model of life
Answer:
1) Growth Pattern
2) Conical Shape
3) Needle-shaped leaves
4) Pine needles
5) Waxy coating
6) Chemicals
7) Dark-colored needles
8) Thick bark
9) Ever growing roots
10) Small surface area of pine needles
Explanation:
Pinus plants are coniferous plants that are evergreen and long lived. They are usually found in the Northern Hemisphere and few parts of the Southern Hemisphere. Their adaptations include;
1) Growth Pattern: Pinus plants grow very closely to each other, creating a dense setting that helps to preserve warmth.
2) Conical Shape: Their conical shape helps them shed off snow and helps them produce enough food through photosynthesis by staying green all year.
3) Needle-shaped leaves: This helps reduce moisture loss.
4) Pine needles: This reduces moisture loss through transpiration.
5) Waxy coating: The waxy coating of their pine needles protect them from harsh weather like drying winds. It also protects them from sap that cause may freeze.
6) Chemicals: The chemicals present prevent wildlife from eating them.
7) Dark-colored needles: This helps them absorb heat from the sun
8) Thick bark: Protects against cold
9) Ever growing roots: Their roots do not stop growing even in winter so there is always moist and nutrients.
10) Small surface area of pine needles: Their small surface area helps in moisture retention.
Replication is said to be semi-conservative. What does this mean about the chain being made?
Half is_______________________________, the other half is_________ __________
Answer:
Explanation: Replication is a semiconsecutive process this means that the strands of the DNA molecule separate to form two separate templates which will then combine with nucleotides following the complementarity base sequence to form two new daughter DNA
Every organism requires a set of instructions that specifies its traits. This information is carried with the cells of the organism. Which set of statements BEST describes hereditary information in eukaryotic cells? Group of answer choices
Answer:
This question lacks options, the options are;
A. Genes are made up of chromosomes and both are found in the cell’s cytoplasm.
B. Chromosomes are made up of genes and both are found in the cell’s cytoplasm.
C. Genes are made up of chromosomes and both are found in the cell’s nucleus.
D. Chromosomes are made up of genes and both are found in the cell’s nucleus.
The correct answer is D.
Explanation:
As rightly stated in this question, every living organism requires a set of instructions that specifies its traits. These set of instructions are embedded in a unit called GENE. Genes hold information needed for the survival of a cell in an organism.
These genes are located on a structure called DNA, which are folded or packaged into another structure called CHROMOSOMES. Each chromosome, hence, contains genes that are the unit of inheritance of a cell. In eukaryotic organisms, the gene is found on a chromosome, which is located in the NUCLEUS of the cell.
help please will mark brainlist answer
Answer:
Question 2 is option 2. It is the only one that makes sense and it says sediment sin it.
Explanation:
How can black hole be destroyed?
Answer:
Eventually, in theory, black holes will evaporate through Hawking radiation. But it would take much longer than the entire age of the universe for most black holes we know about to significantly evaporate.
Explanation:
A culture of living cells includes a solution called a _____.
A) concentration
B) slide
C) flask
D)medium
Answer:
D)Medium
Explanation:
A culture of living cells is grown over a solution that is called as a growth medium. A growth or culture medium can be in the form of solid, semi-solid or liquid. It is typically designed to facilitate the growth of the living cells of plants, animals, humans and microbes.
The wing of a bird and the leg of a horse are very different looking structures. Although they look different, bird wings and horse legs are very similar in the arrangement of the bones that make up the limb. Which term is used by scientists to describe structures that look different on the outside but are actually similar in construction and develop from the same embryonic tissues? es -0) A) common descent B) analogous structures vestigial structures D) homologous structures Answer:
Answer: Homologous structures
Explanation: They are structures which have similarities in various organisms but carry out opposite functions. This is the opposite of analogous structures
Name:
133
Unit 10 & 11 RETEST: Expressions &
Equations
Knowledge - Parts of equations and expressions.
13
1. Label each as either an equation or an expression.
a) 5x - 3 = 12
b) 6x - 3
c) 7x + 5 = 9
2. Label each part of the equation. (numerical coefficient, variable, constant term.
What are the math questions
5x-3=12
6x-3
7x+5=9
Are they an equation or expressions?
Explanation:
To find - 1. Label each as either an equation or an expression.
a) 5x - 3 = 12
b) 6x - 3
c) 7x + 5 = 9
2. Label each part of the equation. (numerical coefficient, variable, constant term.
What are the math questions
5x-3=12
6x-3
7x+5=9
Are they an equation or expressions?
Solution -
1.
An expression containing variables, numbers, and symbols.
An equation that has equal to sign.
a.)
5x - 3 = 12
It is an equation (because it has = sign)
b.)
6x - 3
It is an expression
c.)
7x + 5 = 9
It is an equation (because it has = sign)
2.
Variable is those whose values can be change. For example x, y, z...
Constant term whose values are fixed. For example 10, 4, 5
Numerical coefficient are the constants that placed just before the variable. For example in 4x- 4 is the variable coefficient.
a.)
5x-3=12
5 is Numerical Coefficient
12 and -3 is constant term
x is variable
b.)
6x-3
6 is Numerical Coefficient
-3 is constant term
x is variable
c.)
7x+5=9
7 is Numerical Coefficient
9 and 5 is constant term
x is variable
13 POINTS MY DUDES! AND NO LINKS OBVIOUSLY!!!
In a moth population, 47 are brown, 15 are yellow, and 34 are black. What is the approximate probability of a moth being black?
A. 2%
B. 49%
C. 16%
D. 35%
Answer:
D
Explanation:
34/96= 35%
The mathematical rule of three can be used to take probabilities. In the exposed example, the approximate probability of a moth being black is 35% (Option D).
------------------------
Available data:
47 moths are brown15 moths are yellow34 moths are blackThe total number of individuals in this population equals the addition of brown, yellow, and black individuals.
This total number of individuals equals 100% of the population.
So to get the probability of a moth being black, we can just perform a rule of three.
To do it, we need to get the percentage of black individuals in the current population.
96 moths ------------------------- 100% population
34 black moths ----------------- X= (34 x 100) / 96
=35.41 ≅ 35% of the population
The approximate probability of a moth being black is 35%.
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Which type of solution is best for use in IV bags at the hospital when patients can't afford to have their cells grow or shrink?
A. hypertonic
B. hypotonic
C. isotonic
Answer:
C is correct from my point of view too
Explanation:
What do you think ecological succession is?
An organism's appearance, trait or other detectable characteristic is a what?
[tex]\huge{ \mathfrak{ \underline{question : }}}[/tex]
An organism's appearance, trait or other detectable characteristic is a what?
[tex]\huge{ \mathfrak{ \underline{ Answer \: \: ✓ }}}[/tex]
The Organism's Phenotype is it's appearance or visible trait.
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