Answer:
B
Explanation:
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A dog, Skipper, is roaming around the neighborhood. Skipper passes one of
his favorite spots and lifts his leg to urinate on a fire hydrant. Three
systems at work are:
Answer:
5. Muscular
6. Skeletal
12.Excretory
Explanation:
He lifts his leg, meaning his using skeletal and he is removing waste from his body using muscular & excretory.
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The chart below is a taxonomic key for the fictitious insect genus
Problematica. To which species does the insect in the picture belong?
Select one:
A. Problematica differensis
B. Problematica brancus
C. Problematica cantrellis
D. Problematica alva
What percentage of the global water supply is fresh water? 6 percent 35 percent 1 percent 10 percent
Answer: i know it woluld be 48 because you add all the numnbers that you provided then you subtract it from 100 and get 48%
Explanation:
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Which Cell Parts are ONLY in Plant cells?
Answer:
Cell Wall, Choroplast.
Explanation:
12. The respiratory system includes the lungs, what level of body organization are the lungs
a. Tissue
b. Organ
c. Organ System
d. Cells
18. Brayden is trying to figure out how petal shape is determined in two different roses. In the pink
rose, the copies of the gene are the same as each other. In the yellow rose, the copies of the gene are
different from each other. How does this affect how many types of proteins there are in each petal
cell?
a
The pink rose has one type of protein for the petal shape feature. The yellow rose has two
types of protein for the petal shape feature.
b
The pink rose has one type of protein for the petal shape feature. The yellow rose has one
type of protein for the petal shape feature.
с
The pink rose has two types of protein for the petal shape feature. The yellow rose has two
types of protein for the petal shape feature.
d
It is impossible to say anything about proteins from the given information.
Answer:
c
Explanation:
they would have diffrent gene versions and protines to get their colors
In the pink rose, the copies of the gene are the same as each other, while the yellow rose has different copies, so it is concluded that the pink rose has one type of protein for the petal shape feature, while the yellow rose has two types of protein for the petal shape feature, as present in Option a.
What is the petal shape dependent on?Generally, the characters are dependent on the genes that are present in the DNA; either the gene variants, such as the alleles, show pure dominance or they combine to produce the effect, and here the pink rose petal has the same alleles so they will express the single protein while the yellow has different alleles so it has the chance of the two proteins.
Hence, in the pink rose, the copies of the gene are the same as each other, while the yellow rose has different copies, so it is concluded that the pink rose has one type of protein for the petal shape feature, while the yellow rose has two types of protein for the petal shape feature, as present in Option a.
Learn more about the petal shape here.
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Which of the following is a natural process that can quickly put large amounts of gas and solid materials directly into the stratosphere?
A. an earthquake
B. a volcanic eruption
C. a landslide
D. a flood
I have the biology STAAR test tomorrow what facts and tips would help me pass it please help
Answer:
eat breakfast+stay posative+read a book 20min before bed+and study things that you things will help you get ready
Explanation: YOU GOT THIS!!!!
How do laws reduce air pollution?
Answer:
Laws reduce air pollution by a number of things, this could be by issuing a fine of about £20 or above. This is the most common way yet im sure in more serious cases prison sentences are issued.
Given a parent genotype of Bb, what are the possible gametes that they can produce?
Assuming both parents have genotype Bb, this would lead to the Punnett square (in this case a monohybrid cross) as shown in the image below. We have four outcomes, three of which are unique. Those offspring genotypes are: BB, Bb, and bb.
An offspring with B or b on its own is not possible because both parents contribute genes.
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Answer:
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b. Earth's thermohaline circulation moves heat around the planet, as can be seen by the warmer
climate in England due to the Gulf Stream. (2 points)
True or false ?
She forms a hypothesis that the color reaches the flower through the stream.what should maria do to confirm the hypothesis
6. Phylogenetic trees are used for?
Phylogenetic trees show the evolutionary pathways and connections among organisms. A phylogenetic tree is a diagram used to reflect evolutionary relationships among organisms or groups of organisms.
Two distinct bands appear in a single lane at the completion of an SDS-PAGE analysis of an unknown protein. Select one: a. These bands represent two subunits of a homodimer. b. Each band represents a different sized subunit of a multimeric protein. c. Each band represents a protein subunit with different charge to mass ratio. d. These bands represent two subunits of a heterodimer. e. These bands represent two separate subunits of identical size.
Answer:
b. Each band represents a different-sized subunit of a multimeric protein.
Explanation:
SDS-PAGE analysis allows the separation and discrimination of proteins according to their molecular weight. The technique separates proteins in an electromagnetic field.
The SDS-PAGE technique makes proteins move in solid support -gel- by the action of the electric field. The distance reached by each protein is proportional to their molecular weight. The protein separation from a mixture results in bands that reflect their size.
SDS is a detergent that denaturalizes the protein and sets a relation charge size, such as that the motion of the protein in the gel is proportional to its weight. The bigger the protein is, the stronger interaction with the polyacrylamide gel there will be. The speed of displacement in the electromagnetic field is inversely proportional to the protein size.
DNA: TAC GCG TAC CGG ATC
mRNA:
Amino acids: HELP[
Answer:
AUG CGC AUG GCC UAG
Explanation:
Replace thymine (T) with uracil (U)
Precipitation that does not permeate the ground runs off the surface quickly. It forms small streams that widen and become longer. Where does the water from these streams drain?
A. springs
B. wells
C. aquifers
D. rivers
Answer:
rivers because smaller bodies of water always drain into bigger ones
If a sexually reproducing organism was exposed to a harmful substance that caused it to use an asexual process to produce gametes what would be the result?
A-Gametes produced will be able to create offspring that are a better fit to the organism's environment
B-Gametes produced would each be unique increasing the genetic diversity of the organism's population
C-Gametes produced would be identical to the parent cells thereby lowering the genetic diversity of the population
Answer:
A
Explanation:
What are the four different types of deserts?
Answer:
Explanation:
Name Type of Desert Location
Antarctic Polar Antarctica
Arctic Polar Alaska, Canada, Greenland, Iceland
Sahara Subtropical Northern Africa
Answer:
1) hot and dry deserts or subtropical deserts
2) semi-arid deserts
3) coastal deserts
4) cold (or polar) deserts
Can some plaz help me with this project ASAP WILL GIVE BRAINLIEST IF ACTUAL EFFORT PUT IN AND DECENT LENGTH
Population Growth
Project: Analyzing Factors That Affect Carrying Capacity and Biodiversity
In this assignment, you will use simulations to analyze how climate, resources, and habitat size affect
carrying capacity. You will then look at another simulation to analyze the effects of certain factors that
affect biodiversity and populations. Finally, you will write and revise a conclusion on how human activity
affects biodiversity.
Background Information
Population growth is the change in size of a group of organisms of the same species over time. It is
affected by four factors: birth rate, death rate, immigration, and emigration.
Carrying capacity is the maximum total population that an area can support. Carrying capacity limits
population growth and is affected by competition for food, water, shelter, or mates, and threat of
predators, disease, and parasites. Carrying capacity may be affected by one or a combination of these
factors.
Biodiversity is the total variety of organisms that live in the biosphere. Biodiversity is affected by the loss
of habitat, introduction of invasive species, pollution, and/or human activities.
Answer:
Question 1: How does increasing the size of the habitat affect carrying capacity? Explain your answer. Recall the scenarios: 0–15 years, Little land; 15–30 years, Moderate land; 30–45 years, Ample land.
Population numbers self-regulate to some extent since mortality rise when a population exceeds its carrying capacity. Carrying capacity is affected by disease, competition, predator-prey interactions, resource usage, and the number of populations in an ecosystem.
Explanation:
Question 2: How and why did changes in the environmental conditions affect carrying capacity in this scenario? Recall the scenarios: 0–15 years, Harsh winter; 15–30 years, Harsh winter and Cold spring; 30–45 years, Harsh winter, Cold spring, and Hot summer.
The carrying capacity of an environment is also affected by conditions within or adjacent to it. If the environment is adjacent to a human population, for example, this may have an impact on its carrying capacity. Pollution can also have an impact on the carrying capacity of an environment.
Question 3: If there were no other changes in the habitat, would the value under “Larger Than Ample” be correct? Why or why not
Climate change isn't only about global warming. While it is true that temperatures would rise during the summer months, it is also feasible that the winter months would be even colder. As a result of this effect, the winters will be exceptionally cold from year 0 to 15.
Question 4: Suppose there were changes in the habitat that caused this actual value. What might a combination of those changes be
Assume that the climate in a habitat shifts. The amount of precipitation reduces by 20% over time. It will have an impact on the habitat because species that have adapted to drier climates will supplant those that are less suited to the new climate. This best circumstance explains the cause for adaptation, and those that adapted rapidly will replace those who found it difficult to adapt, resulting in the extinction of species as those who can thrive will be able to cope with the rapid shift in the environment. The most fittest survive in the new environment, according to Charle's Darwin thesis.
Question 5: How would you describe the effect of a 1°C increase of temperature on the biodiversity of the habitat in terms of number of populations and number of individuals in the populations? Use evidence from your graph and table to support your answer
The graph and table in the supplied question were not provided, nor could they be found anywhere, hence the question was answered based on prior knowledge. Earth's species can adapt to their surroundings, however adaptation in organisms can take thousands to tens of thousands of years. However, for the last 200 years, a consistent rise in temperature has been recorded.
The thermal limits of species residing in the tropics, equator, and poles have already been altered. If the global average temperature rises by one degree Celsius, the number of people on the globe will drop. The population of a species will decline as the number of individuals decreases.
The peace treaty which ended French control over Canada in 1763 was signed in:
Answer:
February 10, 1763.
Explanation:
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The theory that evolution happens according to a slow, steady change over time is known as A coevolution B extended evolution C gradualism D punctuated equilibrium
The answer is *C. is a slow, gradual change over time*.
How do bacteria respond to their environment? Think back to how viruses mutate. What do you predict can happen to bacterial DNA?
Answer:
Well they respond pretty well to other environment and they adapt
Gametes (SEX CELLS) have ... A. half the number of chromosomes found in the body cells B. twice the number of chromosomes found in body cells C. two sets of chromosomes
Answer:
A. Half the number of chromosomes found in the body body cells
Explanation:
Somatic (body cells) have 2 sets of chromosomes, while gametes have 1 set of chromosomes. Sperm has one set, and an egg has one set allowing both to fuse to create a new organism.
Answer:
[tex]\boxed {\boxed {\sf A. \ Half \ the \ number \ of \ chromosomes \ found \ in \ the \ body \ cells}}[/tex]
Explanation:
Gametes are sex cells, such as the egg and sperm. They are used in sexual reproduction to produce offspring.
The sex cells are produced during meiosis. The DNA or genetic material is replicated, then the cells divide twice. After this, four haploid cells are produced with half of the genetic material. For example, human body cells have 46 chromosomes but sex cells have 23 chromosomes.
They contain half the genetic material for an important reason. During fertilization, an egg and a sperm fuse. Each one contributes half of the genetic material from the mother or father to create one complete set for the offspring.
Gametes have half the number of chromosomes in body cells and choice A is correct.
Which part of the blood is responsible for transporting oxygen throughout the body?
Answer:
The main job of red blood cells, or erythrocytes, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs. Hemoglobin (Hgb) is an important protein in the red blood cells that carries oxygen from the lungs to all parts of our body.
Explanation:
13 The environment can affect a person's health. Which of the following diseases
would be most adversely affected by cigarette smoke?
F emphysema and Parkinson's disease
Gasthma and gonorrhea
H asthma and Parkinson's disease
I emphysema and asthma
Why do some plants in the rainforest have bright flowers and grow close to the ground? O to repel any extra rainfall O to get as much sunlight on their leaves as possible O to keep animals and people away from them O to attract birds and insects for pollination
How does waste removal in a fetus differ from waste removal after birth?
A) Fetal waste is removed through the chorion; infant waste is removed through the rectum.
B) Fetal waste is removed through the rectum; infant waste is removed through the chorion.
C) Fetal waste is removed through the ductus venosus; infant waste is removed through the rectum.
D) Fetal waste is removed through the large intestine; infant waste is removed through the ductus venosus.
Answer: A) Fetal waste is removed through the chorion; infant waste is removed through the rectum.
Explanation:
A developing fetus is surrounded by chorion which is an outer membrane. The role of the chorion is to protect the embryo and provide nutrition to it in the form of blood supply. It helps in getting rid of waste products from the developing fetus that goes into the mother blood to remove out of her body. In case of infants the rectum is the last part of the digestive tract and it receives the waste in the form of fecal matter from small intestine which is removed out through the rectum.