Answer:
Answer is B. Lungs push oxygen into the blood.
Explanation:
What happens when the slightest change happens in an ecosystem?
A. It affects the whole system.
B. It affects part of the system.
C. The ecosystem ignores the change.
D. Nothing happens.
A farmer is trying to increase the diversity of corn kernel color in his crops. The trait for corn color is controlled by two alleles. Yellow corn (B) is dominant over white corn (b). Which combination of corn should he cross to get the most variety of genotypes for corn color in the next generation?
A. BB x BB
B. Bb x bb
C. Bb x Bb
D. BB x bb
Answer:
C
Explanation:
If the farmer crosses Bb x Bb, then the progeny will have BB, Bb and bb genotypes attributing to increased diersity of corn kernel color in his crops.
What is a genotype?The total complement of an organism's hereditary material is referred to as its genotype. The alleles or variants that an individual carries in a specific gene or genetic region are also referred to as their genotype. Genotype is another term for them.
There are three distinct categories of genotypes: heterozygous recessive (pp), heterozygous dominant (PP), and homozygous recessive (pp). Both the dominant homozygous genotype and the dominant heterozygous genotype exhibit the same characteristics.
Therefore, if the farmer crosses Bb with Bb, the offspring will have BB, Bb, and bb genotypes, which will contribute to an enhanced diversity of corn kernel color in the farmer's harvests.
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Help please with 4 super easy
Answer:
A Air pressure
Explanation:
DNA is wrapped together to form structures called what?
-Chloroplasts
-Chloroplhyll
-Chromosomes
Answer:
Chromosomes
Explanation:
Chlorophyll and chloroplasts are both something plants create.
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. So chromosomes
please help
this is any multicellular living thing that obtains energy from sunlight or makes it own food
= ??
What is one of the causes of mechanical weathering?
A. acid rain
B. oodation
C. animal actions
D. carbon dioxide
Answer:
answer is A hope it helps if it dont what can i help you with later.
Explanation:
interpreting graphics the biodiversity hot spots shown in figure 9 share several characteristics besides a great number of species. look at the map, and name many as many shared characteristics as you can.
What was difficult about measuring the 3x5 card? Why?
Answer:
can you give me some answers
Explanation:
When your body begins to get too hot, it begins to sweat in order to try and cool itself down in order to stay at a temp of around 98 degress. This is an example of what?
1. Cellular Respiration
2. Thermodynamics
3. Homeostasis
Answer:
it calms down and gets to get cool again
Answer:
2
Explanation:
thermoregulation is process that allows your body to maintain its core internal temperature
Defend it: viruses are not alive. Select the five correct statements. A. They don't make their own membranes. B. They have their own proteins. C. They have no metabolism outside the host cell. D. They don't move. E. They don't respond to their environment. F. They don't have cytoplasm or ribosomes. G. They have only one nucleic acid.
Answer:
viruses are not alive because:
they do not make their own membranes.
they don't have cytoplasm or ribosomes.
they have only one nucliec acid.
they have no metabolism outside the cell.
they don't move.
Explanation:
all these statements are true.
You design an experiment to test the hypothesis that consuming caffeine increases a person's chances of developing a headache. Participants in the experimental group will be told to drink 8 ounces of caffeinated soda in the morning once a day for 10 days, and to abstain from drinking any other caffeinated beverages or soda. Which of the following is an appropriate control group for your experiment?
a) A group that drinks 8 ounces of decaffeinated hot coffee (no caffeine) in the morning once a day for 10 days and abstains from drinking any other caffeinated beverages or soda
b) A group that drinks 8 ounces of caffeinated soda once a day for 10 days in addition to their normal beverage habits
c) A group that drinks 8 ounces of decaffeinated soda (no caffeine) in the morning once a day for 10 days and abstains from drinking any other O caffeinated beverages or soda.
d) A group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days
Answer:
d) A group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days
Explanation:
In an experiment, two groups exist as follows: experimental group and control group. Experimental group is the group that receives the experimental treatment (independent variable) while the CONTROL GROUP is the group that does not receive the experimental treatment.
In this experiment, the experimental treatment is the CAFFEINATED SODA (contains caffeine). Hence, the appropriate control group for this experiment will be the group that does not drink any soda (whether caffeinated or decaffeinated) or other caffeinated beverages for 10 days.
What are the consequences of not having tall trees in the Great Plains?
Answer:
High evaporation and low rainfall makes it difficult for trees to grow on the Great Plains. Only along the river bottoms can most trees grow successfully in the natural way.
Explanation:
10. Imagine a seesaw, like on a children's playground. Which of the following drawings of a seesaw best represents equilibrium? Explain. help pleaseee
Answer:
the first one
Explanation:
equilibrium- a state of physical balance.
so the first one looks the most balanced on both sides
Also if you look up "equilibrium seesaw" you see pictures that look similar to the first one
which products of photosynthesis are necessary for human life ?
a) carbon dioxide for us to breathe in, as well as sunlight and water.
b) oxygen for us to breathe in , as well as sunlight and water.
c) oxygen for us to breathe in , as well as glucose forcus to consume for energy.
d) carbon dioxide for us to breathe in, as well as glucose for us to consume for energy.
How does cell division relate to the process of asexual reproduction ?
Answer:
sexual reproduction occurs by cell division during mitosis to produce two or more genetically identical offspring. Sexual reproduction occurs by the release of haploid gametes (e.g., sperm and egg cells) that fuse to produce a zygote with genetic characteristics contributed by both of the parent organisms.
Explanation:
hope you like my ans
What are the products when a DNA molecule replicates?
A two molecules of DNA each made of a paired sequence of bases
B two molecules of DNA each made of a paired sequence of nucleotides
C two strands of DNA each made of a paired sequence of bases
D two strands of DNA each made of a paired sequence of nucleotides
(Its NOT c.)
The products when a DNA molecule replicates are two molecules of DNA each made of a paired sequence of nucleotides. The correct option is B.
What is DNA replication?A double-stranded DNA molecule is copied to create two identical DNA molecules through the process of DNA replication.
Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.
Before dividing, cells must copy their DNA. This promotes successful inheritance of genetic features by giving each daughter cell a copy of the genome.
The fundamental mechanism of DNA replication is similar across all organisms, making it a crucial operation.
Two DNA molecules, each consisting of a paired sequence of nucleotides, are produced when a DNA molecule duplicates.
Thus, the correct option is B.
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When did time begin?
Answer:
13.7 billion years ago
Explanation:
Answer:
That was billions of years ago.
Which of the following cell types is haploid?
O body cell
O sperm cell
O skin cell
O liver cell
Answer: sperm cell
Explanation: haploids only contain one set of chromosomes (not paired)
Every cell has 3 billion DNA base pairs. How does this long strand of DNA fit into a nucleus?
Answer: These DNA though is long, it is small. it would be half-squished in the nucleus. Because it is half squished, that is why they can be infected by viruses.
This answer not be correct, by the book i read said so.
discuss why apes are considered the most closely related organisms to humans. Use evidence to back up your answer.
Answer:
Apes are considered the most closely related organisms to humans because we share so much dna. For example, we share 99% of our DNA with Chimpanzees. On average, human beings share 65% of our dna with other mammals but apes are a much higher percentage, on average in the higher 90's.
Explanation:
will mark brainliest if correct
if all the green plants were removed from the community how might the flow of energy be effected
When is genetic drift a major factor in evolution
How can you use genetics to study human inheritance?
Answer:
by analyzing how genes influence the development of phenotypic traits, i.e., by determining the association between phenotypic traits and changes in DNA sequence
Explanation:
Genetics is a discipline that studies how genetic variation, i.e., the variation in the Deoxiriibunicleinc acid (DNA) molecule, is associated with the transmission of heredity, and how the environment influences this process. The DNA is a molecule that carries the instructions to perform all metabolic functions (eg., reproduction, development, growth, etc). Thus, advancements in genetics enabled us to decipher how phenotypic traits pass from parents/ancestors to their offspring/descendence. Genes are segments of DNA that carry the information (genetic information) to determine each phenotypic trait. During reproduction, genes are passed from one generation to the next, thereby transmitting this information across generations.
Please answer fast!
Answer:
C
Explanation:
Question 16 (2 points)
If a wave is traveling at a constant speed, and the frequency increases, what would happen to the wavelength? (2 points)
Oa
It would increase.
Oь
It would decrease.
Ос
It would remain constant.
Od
It would drop to zero.
Answer:
A
Explanation:
When frequency increases so does the wavelength
Answer:
The correct answer is B. It would decrease.
Explanation:
I chose answer A. on my test and got it wrong. The correct answer was shown to me as B. Good Luck!!
URGENT PLEASEEEE
How and where is starch stored in the red cedar oak tree
ill mark brainliest to first good answer
Answer:
They are large molecules that blind readily with proteins , cellulose, starches and minerals.
Explanation:
it hides into leather
Acclimatization does not change ___________, so traits that arise via acclimatization cannot be passed on to offspring. On the other hand, an adaptation CAN be passed on to offspring, which means that adaptations can drive________.
If an individual coral colony can __________to the warming water, this means it might _________as the ocean continues to warm. Individuals that cannot do it will___________. It is important for these changes to__________. Natural selection ________corals that have these characteristics that enable them to tolerate warm water. So, over time, coral populations will __________to warm water.
Answer:
Acclimatization does not change Genotype so traits that arise via acclimatization cannot be passed on to offspring. On the other hand, an adaptation CAN be passed on to offspring, which means that adaptations can drive Evolution.
If an individual coral colony can Acclimatize to the warming water, this means it might Survive as the ocean continues to warm. Individuals that cannot do it will Die. It is important for these changes to Become inherited. Natural selection will favor corals that have these characteristics that enable them to tolerate warm water. So, over time, coral populations will Adapt to warm water.
Acclimatization does not change genotype so traits that arise via
acclimatization cannot be passed on to offspring. On the other hand, an
adaptation CAN be passed on to offspring, which means that adaptations can
drive evolution.
If an individual coral colony can acclimatize to the warming water, this means
it might survive as the ocean continues to warm. Individuals that cannot do it
will die. It is important for these changes to become inherited. Natural
selection favors corals that have these characteristics that enable them to
tolerate warm water. So, over time, coral populations will adapt to warm
water.
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I needs help plsssss
Answer:
so when photosynthesis starts the plant absorbs sunlight through the chloroplasts and the sunlight is converted into sugar
Explanation:
The way this happens is the reactants are carbon dioxide sunlight and water and the product is oxygen and sugar the oxygen is considered waste
REWORD THIS IN YOUR OWN WORDS!
They are eukaryotic, which means they have a nucleus. Most have mitochondria. They can be parasites. They all prefer aquatic or moist environments.
Answer:
Eukaryotic organisms have no nucleus and prefer aquatic or moist environments. Interestingly, some are parasites, and some do not have mitochondria.
Explanation:
You may need to add some more sentences to better link these two together.
The...........is also known as the tympanum.
1)eardrum
2)stapes
3)cochlea
4)malleus
Answer and I will give you brainiliest
Answer:
1
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