What does stage 4 show?
A. A young female cone with fertilized eggs matures into a seed
cone.
B. A spore divides and grows into a pollen grain using mitosis.
C. Young male cones produce spores using meiosis.
D. A seed that contains an embryo plant grows into a young pine
tree.
Answers
Answer:
A.
Explanation:
It looks like the pine cone looks like is turning into a normal cone. That is why.
Answer: A. it looks as if its matured from being a young cone
Related Questions
As surface water in a lake cools from 4 °C to 0 °C, the water expands and becomes less dense. Why is this change in the water beneficial to the organisms living in the lake? As the water cools to freezing, spaces form between water molecules, providing microhabitats for small organisms. Frozen surface water insulates the water below it, maintaining a habitat where organisms can overwinter. Cooler water is less viscous than warmer water, making it easier for organisms to move through the water. Less dense water holds more dissolved compounds, keeping water from freezing so organisms survive winter.
Answers
Answer:
As the water cools to freezing, spaces form between water molecules, providing microhabitats for small organisms.
Explanation:
This change in the water is beneficial to the organisms living in the lake because the water which freezes formed spaces between water molecules, that providing microhabitats for small organisms. The cold temperature causes formation of ice crystals on the surface of water which work as an insulator whereas the lower part of the water remain warm and the organisms can survive in that environment.
Amoebas make exact copies of themselves. Therefore, they reproduce
A. asexually buy the process of MEIOSIS
B. sexually by the process of MITOSIS
C. sexually by the process of MEIOSIS
D. asexually by the process of MITOSIS
Answers
Answer:
D.
Explanation:
You can rule out B and C because offspring produced sexually are not identical to their parents. The amoebas reproduce by binary fission, which is a form of asexual mitosis.
Answer:
D. asexually by the process of MITOSIS
Explanation:
Mitosis is a form of asexual reproduction in simple living organisms. The outcome of each cell cycle is two identical cells. Mitotic checkpoints happen at certain stages of mitosis to ensure that each cell receives the same amount of DNA.
Which of the following does NOT affect the flow of groundwater through an aquifer ? a. porosity C. gradient b . chemical weatheringd. permeability
Answers
Answer:
b . chemical weathering
Explanation:
Chemical weathering is not affected the flow of groundwater through an aquifer but affect by the porosity and permeability. The rate of groundwater flow is controlled by two properties of the rock which are porosity and permeability. Porosity is the percentage of void space in a rock while on the other hand, Permeability is the quality of being permeable means able to be penetrated or passed through by a liquid or gas.
explain the difference between a prokaryotic cell and a eukaryotic cell.
Answers
Answer:
Eukaryotic cells have a membrane-bound nucleus.
Prokaryotic cells do not. The nucleus is where Eukaryotic stores their genetic information.
Explain what happens to an animal cell when it removed from an organism and placed into distilled water
Answers
Answer:
I think it has to do with osmosis
Explanation:
Osmosis is the process of having water pass from a low concentration medium to a high concentration one, given that the barrier (membrane) is semi-permeable.
When a cell is placed into distilled water, hypertonic solution takes place.
A cell may contain many solutes so it is considered hypertonic when compared to distilled water which is hypotonic So in this case, when a cell is placed in distilled water, water moves from outside of the cell to the inside leading to swelling of the cell.
If a decision was made to increase the production of biofuel, which would be an example of a negative trade-off based on this decision?
a. The decline in the dependency on oil
b. Reduced dependency of foreign energy
c. Rising consumer food prices
d. Increase revenue for farmers
Answers
Answer:
C: Rising cunsumer food prices
PLS ANSWER NOWWWWWWWWWWWWWWWWW
Answers
Sunlight - 9th down > Needed to chemically change water...
Population - 10th down > More than one organism of the same species...
Community - 3rd down > Different populations in a specific area...
Trophic Pyramid - 4th down > Shows the energy transfers of populations...
Food Web - 6th down > Shows the feeding relationships of the food chains...
Decomposer - 8th down > Helps dead things to chemically change...
Which statement best illustrates a biotic or an abiotic factor that is often found in a city park
Answers
Answer:
"Decaying leaves are an abiotic factor because they are not living. Rocks are an abiotic factor because they have never been alive. Water in ponds is a biotic factor, because it provides a habitat for living things."
Answer:
Rocks are an abiotic factor because they have never been alive
Explanation:
Awnser on EDGE
Rocky Mountain Bighorn Sheep live in the mountains. Which behavior is a result of living at high elevations?
Answers
Answer:
They have developed thicker skin/fur to shield themselves from the colder tempter in the higher elevation.
Explanation:
The question is What serves as the ultimate control center of the body overseeing all communication among the organ systems?
Answers
Answer:
nervous system
Explanation:
the cns oversees every action our body does
Why do you think genetic orders do not completely disappear from the human population, even though there are great researchers and excellent health care? PLS HELP
Answers
Answer:
Because we have not yet figured out to successfully remove/change genes on a large scale. Once we do, genetic disorders will no longer be as prevalent.
Explanation:
Braintliest please.
How will hormone travel to its target organs?
A. Carried by neurons
B. Sweat glands
C. Carried by the blood
D. Carried in the digestive tract
Answers
Answer:
the answer is C no
Explanation:
It is the ans
Answer:
c
Explanation:
endocrine glands hormones directly into bliidstream
Jawless fish were Earth's first
Answers
Answer:
jawless fish were earth 's first arthropods
Can someone help with this?
Answers
Answer:
a primary oocyte contains 46 chromosomes, while a secundary oocyte contains 23 chromosomes
It is projected that an increase in carbon dioxide levels in the atmosphere will MOST LIKELY lead to _____.
Select one:
a. lower-than-average hurricane rates
b. higher-than-average ice levels in arctic
c. higher-than-average sea levels
d. lower-than-average ocean temperatures
Answers
Anyone know any good books to study exam style questions for 9th grade biology?
Answers
Answer:
eph and sap and glm assessment and theory books
Why do identical twins have some DIFFERENCES?
A. The same genes are expressed because of their environment.
B. Different genes are expressed due to their environment.
C. Their DNA is different.
Answers
Answer:
B. Different genes are expressed due to their environment.
Explanation:
I think it's this one because it makes the most sense, but I'm still not sure sorry
Answer:
B. Different genes are expressed due to their environment.
Explanation:
Some identical twins can have different heights and weights. This is because height and weight are controlled by what you eat as well your DNA. Differences in diet can start earlier than you might imagine. When the twins are growing inside the uterus, there can be differences in how well they connect to the placenta.
hiii! ill give brainliest if u answer this :))
Why are enzymes important?
1. They contain the genetic material.
2. They speed up chemical reactions.
3. They bring water into the cell.
4. They help the cell maintain its shape.
Answers
¿POR QUÉ ES TAN IMPORTANTE PARA LAS ESPECIES EL OLFATO?
Answers
Explanation:
una pregunta porque puedes hablar español si esto es de ingles este Braylin
Which of the following is NOT a characteristic of life?
A.Made of one or more cells
B.Movement
C.Requires Energy
D.Adapts over time
Answers
Answer:
The answer should be C
Explanation:
Life is made of cells, life moves and also adapt over time...but I don't think it requires energy
The acceleration of an object is measure by its change in velocity per unit time. The equation for acceleration is: a =v/t. Acceleration is represented by 'a'. Velocity is represented by 'v'. Time is represented by 't'. Rearrange the equation to solve for time.
Answers
Answer:
t=v/a
Explanation:
To solve for Time
Since acceleration is change in velocity/time
a=v/t
Cross multiply
a×t=v
at=v
Divide both side by a since we want to find Time
at/a=v/a
t= v/a
Explain how the formation of a submergent coastline differs from the formation of an emergent
coastline.
Answers
Answer:
One occurs when sea level rises whereas the other happens when the sea level drops.
Explanation:
The main difference between Submergent coastlines and emergent coastlines because Submergent coastlines formed when sea level rises or in other words, the land sinks down. Examples of submergent coastlines are estuaries, barrier bars, and barrier island systems while on the other hand, emergent coastlines occurs when sea level drops or the land rises. Hudson Bay and Eastern Coastal Plains are the examples of emergent coastlines.
Explain one environmental condition that drove organism evolution
Answers
Answer:
Weather is one, but there are thousands of factors that contributed to it.
Explanation:
Question 12 of 30
Which of the following best describes the difference between an adaptation
and adapting?
A. An adaptation takes place during an individual's lifetime. Adapting
takes place over many generations.
B. An adaptation is a genetic trait that improves an individual's
chances of survival. Adapting is changing behavior or appearance
in response to experience.
C. An adaptation is a learned behavior. Adapting is a genetic
process.
D. Adapting improves an individual's chances of survival. An
adaptation is a change made in response to experience.
Answers
Answer:
bbbbb
Explanation:
is Bobby for sure because b is the only one that make sense
Why do negative essay results not always mean the molecule is absent
Answers
Answer:
The concentration of the molecule may be too low to be detected
Explanation:
Negative essay results do not always mean the molecule is absent because the amount or percentage of the molecule to be detected could be too less to detect.
What are the negative assay results?
False-negative blocks haven't received as much attention as false positives, but they can lead to misdiagnosis and improper treatment candidate selection. Based on the failure of local anesthetic infiltration to relieve the pain from facet joint capsular distention, research on 15 volunteers who had MBBs with local anesthetic or saline and capsular distention estimated the rate of false-negative blocks to be 11%.
It was determined that "aberrant innervation" was a likely explanation for some instances of unsuccessful RF denervation in IA block responders. Vascular uptake is regarded to be one of the main sources of false-negative blocks. According to reports, this can vary from 6% to 30% per level. rates of 3.9% at cervical levels, 3.5% at lumbar levels, and 0.7% at thoracic levels, according to one research.
According to one study, even if the needle is relocated when vascular uptake happens, analgesia will only be experienced 50% of the time. Digital subtraction angiography has been demonstrated to increase the detection rate and is the most reliable method of identifying vascular uptake. Failure to distinguish between procedure-related discomfort and baseline pain, as well as missing a target nerve or nerves, are other potential reasons for false-negative blocks.
Therefore, a false negative result could be the result of low concentration.
Read more about test results, here
https://brainly.com/question/15398537
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Proteins secreted by Gram-negative cells face multiple obstacles, including _____. Multiple choice question. moving across the periplasmic space underlying the thick peptidoglycan layer of the cell wall moving across the plasma membrane moving across the plasma membrane and the thick peptidoglycan layer of the cell wall moving across both the plasma membrane and the outer membrane
Answers
Answer:
moving across both the plasma membrane and the outer membrane
Explanation:
Gram-negative bacteria are bacteria that have a plasma membrane, a thin peptidoglycan layer, and an outer membrane (the space between the plasma membrane and the outer membrane is known as periplasm). Moreover, Gram-positive bacteria exhibit neither outer membrane nor periplasmic space and are surrounded by thick layers of peptidoglycan. Gram-negative bacteria have developed different protein secretion systems (types I–VI and type VIII) in order to secrete proteins into the extracellular space. For such purpose, the XcpQ protein (which is an outer membrane protein from the secretin family) participates in different transport processes in Gram-negative bacteria.
SCIENCE
Which of the following is an example of a glacial formation?
(Don’t put a random answer or spam things or I will report you and you will lose the points)
A. Photosynthesis
B. Methane degradation
C. Photolysis
D. Weathering of rocks
Answers
Answer:
The correct answers is letter D.
Explanation:
Base on my research Weathering of rocks or Weathering loosen of rocks are examples of a glacial formation
Question #2: Hint - may help to use internet searches *
1 point
2. Which of the following is NOT evidence that supports
Earth's spherical shape? (1) photographs taken from
outer space (2) ships appearing to sink as they
sail past the horizon (3) the changing seasons
(4) the similarities in gravity at sea level all over Earth
Option 1
Option 2
Option 3
Option 4
Answers
Answer:
2
Explanation:
Though the effect of ships disappearing over the horizon is due to its spherical shape, it could also be used evidence for objects falling off the "edge" of a flat, planar-shaped earth.
The outcome of protein synthesis is ______.
A. A glucose molecule
B. An mRNA molecule
C. A protein
Answers
Answer:
C. A protein
Explanation:
The outcome of protein synthesis is a protein.
The process of protein synthesis is crucial to cellular function. Protein synthesis is the procedure used by cells to generate proteins. Thus, option C is correct.
What is the role of protein synthesis in the cell?Protein synthesis, sometimes referred to as protein biosynthesis, is an essential biological process that occurs inside of cells to replace lost proteins (due to export or degradation) with new proteins.
Proteins have a wide range of vital biological functions, including those as enzymes, hormones, and structural proteins.
Cells are made of proteins, and the word “synthesis” simply means “to make.” Thus, the process of producing proteins is known as protein synthesis.
Creating a polypeptide, or protein consisting of a chain of amino acids, is the sole goal of protein synthesis. Keratin, a protein, is produced in the cells of the hair follicle.
Therefore, The outcome of protein synthesis is a protein.
Learn more about protein here:
https://brainly.com/question/18800216
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which part of a nucleotide makes it possible for a nucleic acid to be a unique code
Answers
Answer:
RNA nucleotides may also bear adenine , guanine and cytosine bases, but instead of thymine they have another pyrimidine base called uracil (U) . as shown in the figure above, each base has a unique structures with its own set of functional groups attracted to the ring structure...