Answer: inventa
Explanation:
I would name a new planet I found Inventa because in latin that means discovery.
Mark is a biologist. He believes that the consistent consumption of limited planetary resources in pursuit of an improved quality of life is a flawed model. Why is the model flawed?
Answer:
The model is flawed because, improved quality of life should mean living sustainably. The quality of life is not improving if the LIMITED resources which sustain life are being enervated.
Besides, improvement in life is a relative term.
Cheers!
Some fishing boats now use streamers to reduce bird bycatch. What are the pros and cons of this method?
A. It is cost-effective, but it rarely protects wildlife.
B. Less bait is lost, but they have not been adopted for use in all countries.
C. They add value to the boat, but most boats can not afford to add them.
D. They increase the fishing haul, but there is a great amount of effort needed to deploy them.
4. Compare a male to a female frog. How can you tell the difference?
Answer:
A small round disc called the tympanum covers the ears of both male and female frogs. On males of most frog species, the circumference of this small disc is larger than the eye of the frog. On females of most frog species, the disc's circumference is equal to the size of the frog's eye.
Explanation:
Freda grows potted plants outside in the summer. When the weather is very hot, her plants need to be watered every day to keep them from wilting.
For a class project, Freda designed a system that would automatically water her plants at 10:00 p.m. on days when the temperature reached 90°F. These are the steps she followed to design it:
Freda researched automated watering systems.
She brainstormed different solutions, then chose that one that she thought would work the best.
She sketched a design of the system and listed the equipment she would need to build it.
Next, Freda wanted to build her system, but she discovered that she could not afford to buy all the materials.
What mistake did Freda make in her design process that kept her from completing her project?
A.
She did not communicate her solution to others.
B.
She did not account for cost constraints in her solution.
C.
She did not evaluate her product in order to improve its design.
D.
She did not include measurements in her design sketch.
Answer:
B.) She did not account for cost constraints in her solution.
Explanation:
She did everything right except for B.
If we are planning on building something that requires materials we don't already have, we should research the cost of the materials, and our budget.
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Two peeled large carrot pieces are placed in beakers one containing water and the other containing sugar solution. The carrot pieces are observed after 8 hours. Now answer the following
a) What is the difference in the physical state of carrots is observed in two beakers?
b) Name the process involved in changing the shape of carrots.
c) Why was the above process occurred?
d) Name the type of solution in beaker 1 and the type of solution in beaker 2
e) Name a process in your daily life which works on the same principle.
Answer:
a)Difference in physical state observed:
The difference between the two carrots is that the carrot in the plain water appears bigger or slightly swollen while the carrot in the salt water appears smaller and has shrank in length and slightly in width.
b)Process involved that has caused the changes:
The process that has taken place is osmosis.
c)Why has the process occured:
The process occurs due to the semi-permeable membrane of the cells of carrots that allow water either in or out of the cells.
In the plain water, the process that takes place is endosmosis where the cells of the carrot draw in water and hence the carrot increases in mass. The carrot in the salt water, on the other hand, experiences exosmosis, where water is drawn from the carrot's cells and the carrot becomes dehydrated and shrinks in length and width.
d) Beaker 1 : Water
Beaker 2 : Sugar Solution
e) example of endosmosis is absorption of capillary water from the soil by the root.
another example of endosmosis is is entrance of water in the xylem vessel from the soil by the root.
Which is a density-dependent factor?
Answer:
flood
Explanation:
Answer:
Space
Explanation:
A botanist has discovered a new plant species and is trying to classify the plant. Its seed has one cotyledon, it has six flower
parts, its leaves have parallel veins, its stem is herbaceous, and the vascular bundles in its stem are scattered throughout the
stem. Which best classifies this plant?
O gymnosperm and dicot
O gymnosperm and monocot
O angiosperm and monocot
O angiosperm and dicot
Answer:
it's Angiosperm and Monocot. or C. on edge
Explanation:
Daily changes in the elevation of the ocean surface are called _____. density currents waves tides
Answer: tides
Explanation:
Answer:
tides are flooded river vally .are daily changes ocean suface
Answer :tides
Directions: Read the descriptions of the four islands presented in the lesson. 1. List two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. Introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.
Answers:
1. Adaptations to survive in specific island conditions:
Morphological adaptations for eating food resources from a specific island. For example, a mandibular structure adapted to eat the food that they obtain.
Behavioral adaptations to avoid depredators. For example, diurnal habits because predators have nocturnal habits.
Physiological adaptations to survive in specific conditions. For example, a lower metabolic rate if food resources are limited.
Stress-induced adaptations to survive in specific stressful conditions. For example, reduction in transpiration is a stress-induced adaptation that enables to rat survive if water resources are limited.
2. Example: Introduction of the rat with diurnal habits in the island with predators that has the same habits is a challenge to survive in this new environment. In this case, the rat can develop different strategies to avoid predators: specific sounds to alert other members of the population on the presence of predators, an immobile pose to simulate death, etc.
Which organisms convert nitrogen into a form that is usable by humans?
A. Omnivores
B. Algae
C. Bacteria
D. Plants
Which hormone is only used by males?
O A. Progesterone
B. Testosterone
C. Luteinizing hormone
D. Follicle-stimulating hormone
Answer:
Testosterone is the primary male sex hormone
Explanation:
Progesterone occurs in the body naturally or made in the lab; relearsed by the ovaries to aid in menstrual/menopausal symtpoms or for the implantation of fertized eggs for pregnancy.
Luteinizing hormone helps your reproductive system: specifically, a woman’s ovaries and a man’s testes; used to test for infertility or check if the pituitary gland have issues.
Follicle-stimulating hormone is essential during puberty development in males and females (ovaries and testes)
The hormone used only in males is testosterone. Therefore, the correct option is B.
Testosterone is a hormone that is primarily associated with male reproductive development and function.
It plays a key role in the development of male secondary sexual characteristics, such as facial and body hair growth, deepening of the voice, and muscle mass development.
Testosterone is produced primarily in the testes, although small amounts are also produced in the adrenal glands of both males and females.
In males, testosterone is responsible for regulating sperm production and maintaining overall reproductive health.
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Which homeostatic process is characterized by the diffusion of only water molecules?
Osmosis is the diffusion of water across a membrane.
Answer:
the answer is b
Explanation:
Which term describes the uneven way that glass breaks? cleavage luster fracture hardness
Answer:
the term that best describes the uneven way that glass breaks is cleavage
Explanation:
Because in defining cleavage scientifically is the splitting of rocks or crystals in a preferred plane or direction.
Answer:
the term that best describes the uneven way that glass breaks is cleavage
Explanation:
Because in defining cleavage scientifically is the splitting of rocks or crystals in a preferred plane or direction.
Scientists often ask questions to clarify data or guide scientific research. What are two scientific questions you have that could clarify relationships about the DNA or traits of these orchids?
Answer:
Plato
Explanation:
What traits would orchids have if the MADS-box genes were not duplicated?
If a genetic mutation changed the shape of the flowers, would pollinators still be attracted to orchids?
The two scientific questions that should have been asked about the DNA or traits of these orchids are:
1. What generations are these orchids?
2. What is the meaning of DNA?
What are scientific questions?A scientific question is one that can be answered and put to the test and explains a specific component of a larger investigation into nature. It is written in a way that responds to a scientific investigation.
An additional question cannot be appended to a scientific inquiry because it is too broad or complex. Instead, it looks for a solution to a specific facet of a more general topic.
The question can be resolved using conventional scientific methods. It should also be possible to duplicate it using the tools and procedures described in any international standard laboratory.
Therefore, the scientific questions are
1. What generations are these orchids?
2. What is the meaning of DNA?
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All the populations of different organisms living in the same area make up a _
A.niche
B.ecosystem
C.community
D.habitat
Answer:
B. Ecosystem
Explanation:
5. An industrialized society views Earth mainly
as a
1 home for wildlife
2 hazardous place to live
3 source of natural resources
4 barren landscape
is a worm a unicellular organism?
Answer:
no it is a multicellular organism
Explanation:
Answer:
it is a multicellular organism
Explanation:
it has many cells that build up their organs
Describe one characteristic of volcanic ash layers and index fossils that makes both of them good geological time markers
Answer: They are geographically widespread
Explanation: Markers of geological time refers to indicators or guide employed in the estimation and depiction of the geological time a particular rock deposit or event occurred. The markers above, the volcanic ash are particles ejected during volcanic eruption which involves the flow of very hot lava to the earth surface which cools and solidifies very rapidly. and index fossils are usually good markers of geological time because the are geographically widespread. This characteristic ensures that mapping deposits over a large geographic regions is possible due to the occurrence of these markers over a broad geographic region. Where markers do not posses wide geographic spread, it becomes very difficult to map. In addition to the above characteristics, both markers are also formed over a short period of time.
Explain how cell transport helps an organism maintain homeostasis.
Answer:
Explanation:
Homeostasis and Cell Transport Homeostasis is the process by which cells maintain the internal conditions that they need to support life. This can be generalized to the heat that our bodies generate to keep us warm and support chemical reactions or the microscopic movements of molecules across cell membranes.
Cell transport helps an organism maintain homeostasis by facilitating the movement of substances across the cell membrane.
Homeostasis is the ability of an organism to maintain its internal environment for proper life functioning. This can be achieved through constant adjustments as conditions change inside and outside the cell.
Cell transport can be defined as the movement of substances across a semi permeable membrane known as the cell membrane.
These transport process is possible because of the molecular make up of cell membrane which is made up of phospholipid bilayer.
This way, polar molecules( example, water) avoid contact with the nonpolar interior of the membrane, and large molecules are moved through large pores leading to adjustment to constant changes encountered.
Therefore, cell transport helps an organism maintain homeostasis by facilitating the movement of substances across the cell membrane.
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Explain in detail how cotton plants can be genetically modified to produce the Bt poison.
Answer:
They're modified by adding genes that are encoded with toxin crystals.
Explanation:
More info:
1. The toxins are in the Cry group of endotoxins
2. It is activated by a high pH
3. It is used as a pesticide
I'll pay you!
The number of different species living in a given area describes (2 points)
a habitat
species diversity
genetic diversity
Answer:
Species diversity
Explanation:
If there are many types of different species, that means there is species diversity. the key word is species
Please help me on 3a) and 3b) I really need help!sos
Answer:
3a
EVIDENCE FROM DISTRIBUTION OF ORGANISMSExplanationDifferent organisms living in different region of the world have their own habitat for the adaptation. They are able to survive , breed together in that environment. Only those organisms are evolved in the environment which are fit for that environment.
This explanation shows that birds evolved from dinosaurs
Explain the importance of active transport in humand and plants
Answer:
Hey
Active transport is important because it allows the cell to move substances against the concentration gradient.
Hope this helps..
Answer:
Active transport is important because it's essencial for the movement of nutrients and substances all around the body and plant
What does a recessive allele control the development of a characteristic
Answer: A recessive allele is only expressed if the individual has two copies and does not have the dominant allele of that gene.
Explanation: Recessive alleles are represented by a lower case letter, for example, a. The allele for blue eyes is recessive.
Describe how magnets are a force?
Answer:
Two objects containing charge with the same direction of motion have a magnetic attraction force between them. Similarly, objects with charge moving in opposite directions have a repulsive force between them. In our article on magnetic fields we learned how moving charge surrounds itself with a magnetic field.
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Answer:
Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.
The force that a magnet exerts on certain materials, including other magnets, is called magnetic force.North and south poles of two magnets attract each other, while two north poles or two south poles repel each other. A magnet can exert force over a distance because the magnet is surrounded by a magnetic field.
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A student viewing a cell with a microscope observes a cell wall, a cell membrane, and a nucleus. The presence of these structures indicates that the student is looking at a cell from a
the answer should be a plant cell due to the occurence of all of those things being in plant cells
Which of the following is the best way to reduce the amount of particulate matter from a manufacturing factory's smokestacks?
A. recycling bin
B. activated charcoal
C. power plant scrubber
D. cyclone dust collector
Answer:
cyclone dust collector
Explanation:
This method is using a special device for removing solids from gases released from a smokestack.
Other user is incorrect.
Which of the following statements is true about the oxygen revolution
Answer:
The oxygen revolution happened about 2.5 billion years ago. ... Then oxygen started to accumulate in the atmosphere. Oxygen is toxic to anaerobic organisms and this increase in atmospheric oxygen killed much of the life that had evolved to this point generating a huge mass extinction.
Explanation:
Which structures allow oxygen to move from the lungs into the bloodstream? bronchi veins alveoli arteries
Answer:
bronchi veins
Explanation:
..............
Answer:
alveoli
Explanation:
which of the following is ribonucleoside?
a. dTTP
b. CMP
c. Guanosine
d. Deoxyadenosine
e. Uracil
Answer:
E
Explanation: