Answer:
After the cleavage has produced over 100 cells, the embryo is called a blastula. The blastula is usually a spherical layer of cells (the blastoderm) surrounding a fluid-filled or yolk-filled cavity (the blastocoel).
Answer:
Blastula Stage
Explanation:
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Explain why all organisms, not just autotrophs, are dependent on light energy
Answer:
All living organisms need the vitamins that are in the sunlight to live.
Explanation:
_______ is the movement of the external medium across the respiratory membrane, while _______ is the movement of an internal medium, such as blood, over the respiratory membrane.
Answer:
ventilation and perfusion
Explanation:
Homeostasis is the body’s ability to maintain a stable internal environment when faced with a changing external environment. Group of answer choices True False.
Homeostasis is the ability of the body to preserve a steady inner environment when encountered with a changing outer condition. The statement is true.
What is homeostasis?The condition of the constant inner environment in the body of the living organism is balanced by the process of homeostasis. It is necessary for regular body functioning.
Homeostasis is affected by many factors like water, food, pH, temperatures etc. the level of these factors are necessary to be maintained to keep the organism fit and healthy.
It is maintained by the feedback regulations and is the response to the outer varying environment. The negative feedback maintains the response to the outer changing stimuli.
Therefore, the statement is true.
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As a general rule, _____, which transport water in _____, have a potentially higher transpiration rate than _____, which transport water in _____.
The rule is, that the part of the plant which transports water in higher concentration will have a potentially higher transpiration rate than the parts of the plant which transport water in a lower concentration.
What is Transpiration?This refers to the mechanism through which plants intake and evaporate water from and back into the environment.
Please note that water loss occurs most from the leaves of the plants. The stomata of the plant are responsible for controlling water loss or leaf transpiration.
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4. Does the theory of evolution state/believe that humans evolved from monkeys?
Answer:
we did
Explanation:
Answer:
Yes it does. Charles darwin wrote a book called "The descent of man" that humans and apes have common ancestor.
Explanation:
What dinosaur fossil was found in the Transantarctic Mountains in the summer of 1990-1991? During what geologic time period did this dinosaur live? please help ASAP
Answer:
Cryolophosaurus ellioti
Explanation:
you should know this
How does a phospholipid behave in water?
Answer:
In water, phospholipids spontaneously form a double layer called a lipid bilayer, in which the hydrophobic tails of phospholipid molecules are sandwiched between two layers of hydrophilic heads
Explanation:
hope it will help you
Answer: phospholipids form a double layer called a lipid bilayer! Hope this helps! ♀️
Explanation:
What are the characteristics of preganglionic and postganglionic neurons in the autonomic nervous system
Answer:
Preganglionic neurons have cell bodies that lie within the brainstem or spinal cord and extend either as a cranial nerve or spinal nerve. Postganglionic neurons extend from the cell body to an effector cardiac muscle, smooth muscle, or gland. All autonomic neurons excite an effector.
Ocean salinity varies from place to place due to differing conditions in the environment. Question 4 options: True False.
the answer will be the true
What important events take place during prophase 1.
Answer:
There's crossing over taking place between chromatids of homologous chromosome exchanging genetic material
Match the digestive organs with their appropriate functions. - mouth - esophagus - stomach - small intestine - liver - gall bladder - pancreas - large intestine - rectum - anus A. passes food to stomach B. manufactures enzymes to digest all energy-yielding nutrients C. churns, mixes and grinds food to a liquid mass D. chews and mixes foods with saliva E. reabsorbs water and minerals F. opens to allow elimination G. absorbs nutrients into blood and lymph H. stores waste prior to elimination I. manufactures bile to help digest fats J. stores bile until needed
Explanation: At least work a bit instead of faking to get 100!
The digestive system consists of multiple organs such as the mouth, esophagus, intestine, stomach, liver, pancreas, gall bladder, pancreas, rectum and anus. Together, these organs work to digest and absorb the ingested food and expel the waste.
The different organs of the digestive system can be matched with
1. Mouth: D. chews and mixes foods with saliva
2. Esophagus: A. passes food to stomach
3. Stomach: C. churns, mixes and grinds food to a liquid mass
4. Small intestine: G. absorbs nutrients into blood and lymph
5. Liver: I. manufactures bile to help digest fats
6. Gall bladder: J. stores bile until needed
7. Pancreas: B. manufactures enzymes to digest all energy-yielding nutrients
8. Large intestine: E. reabsorbs water and minerals
9. Rectum: H. stores waste prior to elimination
10. Anus: F. opens to allow elimination
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What is cell migration and give 2 reasons why it happens
Answer:
cell migration occurs during vital cellular processes such as tissue renewal and repair, wherein old or damaged cells are replaced by the migration of newly formed cells from the underlying tissue layers.
What does an organism have to do in order to be classified as a fungi
Your ecology club has decided to write a letter to the editor of a local newspaper about protecting the biodiversity around this new highway project. As citizen- scientists, what factors would you include in your letter to help educate people, including other citizen-scientists, about the importance of preserving biodiversity? thank you for whoever answers!!
Answer:
The factors I would include in my letter to help educate people is that in the niche diversity, a niche could be shared by two different species so they would compete for resources. If they are low, then one species may die out. The importance of preserving biodiversity is because of the natural resources which are often at the root of conflict.
what is tRNA involved in? replication, transcription, or translation.
which property is conserverd in chemical reactions but not in nuclear reactions
Answer:
mass
Explanation:
Can someone please help with the worksheets.
Thank you!
A plant can produce either purple flowers or white flowers. The purple flower color is dominant over the white flower color. What is the ratio of the offspring with purple flowers to the total number of offspring if two plants that are heterozygous for purple flowers are crossed? 1:4 2:4 3:4 4:4.
Answer:
C 3:4 is the answer.
Explanation:
Best of luck to you!
The phenotypic ratio is 3:4 if two plants that are heter---ozygous for purple flowers are crossed.
What is phenotypic ratio?The phenotypic ratio is the ratio of the appearance of the organisms. We know that the phenotype stems from the genotype of the organisms.
Thus, if the purple flower color is dominant over the white flower color, then it follows that the phenotypic ratio is 3:4 if two plants that are heter---ozygous for purple flowers are crossed.
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Fruits and stem have lenticels. Give reason
Answer:
because lenticels permit the exchange of gases between the environment and the internal tissue spaces of the organs
Fruits and stems have lenticels. These are the specialized cells which permit the exchange of gases between the atmosphere and the plant body.
What are lenticels?A lenticel is a specialized tissue which is a porous tissue. It consist of cells with very large intercellular spaces in the periderm of the secondarily thickened organs in the plant body and the bark of the woody stems and roots of the dicotyledonous flowering plants.
Lenticels can be easily seen as they are visible on the surface of fruits, such as mango, apple, and avocado. Lenticels permit the exchange of gases between the external environment and the internal tissue spaces of the organs such as stems and some fruits of the plant body. These cells permit the entrance of oxygen gas into the plant and simultaneously the output of carbon dioxide and water vapor from it.
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Greig cephalopolysyndactyly, a developmental disorder determined by a dominant allele, can affect the hands, feet, head and/or face. In one family, the mother had fused fingers on both hands while her daughter not only had fused fingers but also developed malformations in her toes and skull. This outcome is explained by ______.
This outcome is explained by variable expressivity. This feature determines the level of expression of a genotype.
What is variable expressivity?Variable expressivity is an intrinsic feature that determines the expression level of a given genotype.
In this case, variable expressivity determines the level of expression of malformations during development.
Variable expressivity is a characteristic associated with the plasticity level of a particular phenotypic trait in an environment.
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Which two cellular structures work together to synthesize, modify, and transport macromolecules within the cell?.
Answer:
*The two cellular structure that work together to synthesize, modify and transport macromolecules within the cell is endoplasmic reticulum and golgi apparatus.
*The endoplasmic reticulum is a synthesis and transport organelle that branches into the cytoplasm in the plant and the animal cell.
*The golgi apparatus is a multi compartmentalized organelle where where the synthesized molecules are packaged for delivery to the other cell components or for the secretion from the cells.
Explanation:
I need to know the and
d because the andromeda galaxy is a whole other galaxy light years away
The hydrosphere brings carbon into what type of reservoir?
The anthropologist that conducted a now-classic study of cultural variation in the 1930s was a. Horace Miner. C. Margaret Mead. B. Napoleon Chagnon. D. George Murdock. Please select the best answer from the choices provided A B C D.
The anthropologist that conducted a now-classic study of cultural variation in the 1930s was.
C. Margaret Mead#CarryOnLearning[tex] \mathfrak{ - \: watanabeharuto}[/tex]
The anthropologist that conducted a now-classic study of cultural variation in the 1930s was a Margaret Mead. So, the correct option is C.
Who was Margaret Mead?American cultural anthropologist Margaret Mead was regularly quoted as a speaker and author in the media in the 1960s and 1970s. She graduated from Barnard College of Columbia University with a bachelor's degree and obtained her M.A. and Ph.D. degrees there as well.
Cultural anthropologist Margaret Mead used to compose works about contentious issues including attitudes towards sex. She published Sex and Temperament in Three Primitive Societies in 1935; it went on to become a standard work on cultural variance. In the 1930s, an anthropologist named Margaret Mead conducted a now-famous research on cultural diversity.
Therefore, the correct option is C.
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The process by which humans take control of the breeding process to choose favorable traits to be passed on:.
Answer:
The process is called Artificial selection
What is the pH of ammonia
Answer:
11-13
Explanation:
Ammonia: pH 11-13.
Answer:
11.6
Explanation:
Ammonia is moderately basic; a 1.0 M aqueous solution has a pH of 11.6, and if a strong acid is added to such a solution until the solution is neutral (pH = 7), 99.4% of the ammonia molecules are protonated.
what characteristics do you are likely to acquire from your parents?
Answer:
Hair color, eye color, skin color, physical shape, dna traits/genes
Explanation:
hope this helps you
Body type and height are some of the characteristics offspring can inherit from their parents.
What is heredity?Heredity is the scientific study of how characteristics are inherited from parents by offspring.
Genes found in the DNA are the basic units of heredity.
Offspring inherit traits from parents such as
heighthair coloreye color intelligencebody typeTherefore, characteristics such as height and eye color inherited from parents by offspring is the focus of the science of heredity.
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Denaturation disrupts the secondary and tertiary structure of proteins. However, denaturation is not strong enough to disrupt what interaction that is relevant to protein structure?.
Denaturation is not strong enough to disrupt the primary structure interaction that is relevant to protein structure.
What is Denaturation?This is the process in which weak linkages which make a protein structure to be highly ordered are broken.
Denaturation is mostly caused by heat and isn't strong enough to break the peptide bonds which are responsible for the primary structure and helps it t maintain the amino acid sequence.
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Which of the following is not true concerning cover crops? a. They prevent soil erosion b. They can fix nitrogen in soil c. They are sold as cash crops d. They add organic matter to soil Please select the best answer from the choices provided A B C D.
In the agricultural practices cover plants are grown for the enrichment and the protection of the soil. They are not harvested to be sold as cash crops.
What are the cover crops used for?Cover crops are grown in the agricultural land parts to maintain the soil fertility and quality so that the land will be safe from the invasion and attacks of pests and weeds.
They are generally grown after the reaping of cash crops and help in soil binding by preventing erosion from the water runoffs.
These plants help in fixing the nitrogen content of the soil and help the soil to remain fertile and nutrient-rich. They increase the organic and the mineral compounds to the soil profile and enriches the soil quality.
Therefore, option c. they are sold as cash crops is incorrect.
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Answer:
C
Explanation:
edge 2022 trust the process
Hormones that help to regulate blood pressure are ______. Multiple select question. aldosterone calcitonin antidiuretic hormone thyroid stimulating hormone atrial natriuretic peptide
Hormones that help to regulate blood pressure are ____ angiotensin and aldosterone __.
Angiotensin and AldosteroneGenerrally the Renin controls the angiotensin and aldosterone.
Angiotensin and aldosterone in turn adjusts the width of your arteries , They affect blood pressure significantly
Therefore, Hormones that help to regulate blood pressure are angiotensin and aldosterone.
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