Female gametophytes in angiosperms are hidden, and protected. Where are they found, and what are they also called?.
Answer:
They are usually found in the center and they are called embyro sacs.
Explanation:
If a stand of trees grows 350 cubic feet per year, how much wood could be cut in a five-year period while keeping the forest sustainable?
A. 350 cubic feet
B. 1,000 cubic feet
C. 1,750 cubic feet
D. 2,250 cubic feet
Answer:
1,750 cubic feet
Explanation:
I did the math. I believe that is it <3
Which of the following is most likely to cause a change in the genetic traits in an isolated population of a ground-dwelling lizard species?
The exposure of an individual lizard in the population to radiation that causes a mutation that is not passed on to its offspring.
An unusually dry summer in the lizard population's ecosystem.
The introduction of an invasive predator that preys on the brightest-colored individuals in the lizard population.
A fast-moving wildfire that burns the canopy of the trees in the lizard population's ecosystem.
The answer would be: C - The introduction of an invasive predator that preys on the brightest-colored individuals in the lizard population.
The arrival of an invading predator that targets the lizard population's individuals with the most vibrant colors. Thus, option C is correct.
What is an invasive predator?
Invasive species pose one of the largest problems for natural creatures. About 42% of species that are vulnerable to extinction or endangered are threatened by invasive species.
Invasive species may pose harm to the economy and human health. Each year, invading species has severe negative effects on our economic and natural ecosystems.
An invasive species is any living creature that is not naturally present in an ecosystem and endangers it, including plants, mammals (like the cane toad), insects, fish, fungi, and germs.
Therefore, The introduction of an invasive predator that preys on the brightest-colored individuals in the lizard population.
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Please Help! Due in 5 minutes!
Which of the following areas would be the most suitable for species to survive a mass extinction event?
A. the continent of Asia
B. the country of Spain
C. the state of Florida
D. the Bay of Islands
Birds: Birds are the only dinosaurs to survive the mass extinction event 65 million years ago. Frogs & Salamanders: These seemingly delicate amphibians survived the extinction that wiped out larger animals. Lizards: These reptiles, distant relatives of dinosaurs, survived the extinction.
Answer:
It might be...B or C? I'm not sure.
Explanation:
If I had to guess I would pick...C but That's up to you!
I hope that helped in some kinda way!
Rex
fleas are insects but they do not have wings. suggest two features of fleas that would show that they should be classified as insects.
Answer:
Antennae and 6 legs
Explanation:
Mendel conducted his most memorable experiments on:.
Answer:
Peas
Explanation:
Mendel developed three principles of inheritance that described the transmission of genetic traits, before anyone knew genes existed.
At some point in their life cycle, all chordates have a postanal tail, ______, hollow nerve cord, and ______.
At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
Chordates
Chordates are animals belonging to the phylum chordata they include vertebrates, lancelets and tunicates of which vertebrates are the most common. As they develop throughout their life time they posses certain characteristics at some point and they are;
Postanal tailNotochordhollow nerve cordPharyngeal slitsHence we can conclude that At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
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Which are most responsible for creating acid rain pollution?.
Research on the biology of aggression has clearly demonstrated that:.
Answer:
Research on the biology of aggression has clearly demonstrated that animals can be bred for aggressiveness. When a mild-mannered woman had an electrode implanted in her amygdala, she developed more aggressive tendencies. Studies have revealed diminished activity in the ________ of violent criminals.
Explanation:
animals can be bred for aggressiveness
How does the structure of a muscle cell relate to its function?
Answer:
A single muscle cell is elongated and has a large number of myofibrils. Muscle contraction is performed by thin strands of the proteins actin and myosin. Muscle flexing is made possible by the elongated form of muscle cells, which permits contraction proteins to line up in an overlapping manner.
please help thank you <3
7. Which of the following processes emit greenhouse gases? Choose all that apply.
❏ Animals belching
❏ Chemical fertilizers
❏ Animal-waste fertilizers
❏ Animal waste management
❏ Field burning
❏ Deforestation by burning
❏ Transporting products
❏ Operating factories
Answer:
Animal waste management
Explanation:
this answer in my answer key
mark me as a brainliest
Animals' belching, field burning, deforestation by burning, transportation products, and operating factories are the activities that emit greenhouse gases.
What are greenhouse gases?Many of the chemical elements that make up the atmosphere of the planet function as greenhouse gases. Some of the sunlight that touches the surface of the planet reflects back into space as infrared radiation (heat). This infrared radiation is absorbed by greenhouse gases, which trap the heat it contains in the atmosphere and causes global warming and climate change.
These greenhouse effects are seen in many gases. Some gases are created both naturally and by human activity. Some are entirely human-made, such as industrial gases. The most prevalent greenhouse gas is water vapor, although most scientists think that the quantity of water vapor in the atmosphere that is directly created by human activities is quite little.
Therefore, the activities that can produce greenhouse gases are animal belching, field burning, deforestation by burning, transportation products, and operating factories.
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how would the feeding activities of a monkey be effected if it had a large heavy body
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If a monkey had a larger body# the double of its size#:1 to 2.4 kg which would become 2 to 5 kg. The food eaten by monkeys gives them almost 07 to 6.2 megajoules of energy, which would also double.,.
Match the terms from Unit 5 with their definitions.
Question 1 options:
Air masses meeting at boundaries which can produce severe weather.
A description of the atmosphere providing the temperature, precipitation, and cloud cover which can change day to day.
Long-term weather patterns based on average temperatures, precipitation, altitude, latitude and ocean currents.
Heat energy from the sun that travels through space and is absorbed by Earth.
Lines of equal pressure that show pressure patterns across an area on a weather map.
The layer of the atmosphere closest to the earth, with the greatest air pressure and where most weather takes place.
The atmosphere's most abundant gas.
A large section of air that has an even temperature, humidity, air pressure, and carries its own weather.
Horizontal air movement due to the differences in air pressure.
Invisible lines that run east to west, parallel to the equator. The most important factor affecting climate.
1.
Latitude
2.
Troposphere
3.
Radiation
4.
Longitude
5.
Exosphere
6.
Conduction
7.
Air Masses
8.
Wind
9.
Weather
10.
Climate
11.
Fronts
12.
Oxygen
13.
Nitrogen
14.
Isobars
The correct terms and their definitions are correctly matched below about the earth and it's atmosphere.
The earth and it's atmosphereAir masses meeting at boundaries which can produce severe weather fronts. That is Fronts (11)
A description of the atmosphere providing the temperature, precipitation, and cloud cover which can change day to day is called the weather. That is weather (9)
Long-term weather patterns based on average temperatures, precipitation, altitude, latitude and ocean currents are called climates. That is climates (10)
Heat energy from the sun that travels through space and is absorbed by Earth is called radiation. That is radiation (3)
Lines of equal pressure that show pressure patterns across an area on a weather map are called Isobars. That is Isobars (14)
The layer of the atmosphere closest to the earth, with the greatest air pressure and where most weather takes place is called the troposphere. That is troposphere (2)
The atmosphere's most abundant gas is Nitrogen. That is Nitrogen (13)
A large section of air that has an even temperature, humidity, air pressure, and carries its own weather is called the air masses. That is air masses (7)
Horizontal air movement due to the differences in air pressure is called wind. That is wind (8)
Invisible lines that run east to west, parallel to the equator. The most important factor affecting climate are called the Latitude. That is Latitude (1)
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Sensory receptors convert _____ into _____ by signal transduction.
Sensory receptors convert stimulus into electrical signals by signal transduction.
What is sensory receptors?.Sensory receptors are found in specialized organs such as the eyes, ears, nose, and mouth, as well as internal organs. Each receptor type transmit stimulus or sensory modality which is interpreted to electrical signal and into a single perceptual frame eventually.
Therefore, Sensory receptors convert stimulus into electrical signals by signal transduction.
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What are the roles of at least 3 minerals in the soil which is essential for the process of photosynthesis
probably water, carbon dioxide because they are important inorder to begin the process of photosynthesei
25. Which letter shows Earth's position in December?
(1 point)
Answer:
Earths Poistion in dec.
Explanation:
One naturalist thought he saw a "black lava flow" on Fernandina. What did he actually see?
Answer:
orange lava
Explanation:
osmotic potential definition
Answer:
osmotic potential (OP value) a measure of the tendency of a solution to withdraw water from pure water by OSMOSIS across a differentially permeable membrane. Pure water has an osmotic potential of zero at one-atmosphere pressure
Explanation.
If a ballon uses heat as energy to rise, how do you think it is able to come back down to the ground? Where does the energy go?
Answer:
I think the heat cools and the bloon is brought back down
Explanation:
hope this helps
In his transformation experiments, what phenomenon did griffith observe?.
Answer:
Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form.
What is the purpose of a checkpoint in the cell cycle.
Suppose a population of insects in a lab has been
fed a restricted diet and kept in an enclosed
container. The insects have reached carrying
capacity. What could cause the insects' carrying
capacity to increase?
All the available nutrient molecules distributed in the blood form a:.
Answer:
Nutrient Pool.
Explanation:
Hope it helps bud :)
The image below shows three different types of cells.
Which correctly identifies each cell?
Answer:
B.
Explanation:
Cell A has a cell wall, Cell B has no cell wall, and Cell C has a fungal cell wall.
Please somebody help me!
Suppose oxygen was much less electronegative than it is, so that hydrogen-oxygen bonds were much less polar and hydrogen bonds could not form between water molecules. how would the properties of water most likely change? check all that apply. its boiling point would decrease. its melting point would increase. ice would sink in liquid water. water vapor would be denser than liquid water.
The properties of water that most likely change by the above inferences are:
Its boiling point would decrease.Its melting point would increase. Water vapor would be denser than liquid water. What do you mean by hydrogen bonds?Hydrogen bonds may be defined as interactions involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons.
According to this hypothesis, the property of water may get deflected and new properties are assumed to a large extent.
Therefore, the above are the statements that best describe the properties of water that are altered.
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fill the diagram please
Answer:
1 head
2 neck
3 I am not sure yet
Refer to the diagram to answer the question. Which statement is true regarding how muscles contract?
Question 16 options:
Sarcomere A is contracted.
Sarcomere B is relaxed.
D represents Myosin.
C represents Myosin.
The figure is not found here, but myosin is the protein required for muscle contraction, whereas sarcomeres are functional units of muscles.
What is a sarcomere?A sarcomere can be considered as the functional unit of a muscle, which is a type of contracting tissue.
A sarcomere is a unit composed of thick myosin fiber filaments and thin actin protein filaments.
These protein filaments work together to contract and expand sarcomeres and thus produce muscle movement.
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Which statement best describes the effect of color on energy absorption and reflection?
Light colors reflect more and absorb less than dark colors.
Light colors reflect less and absorb more than dark colors.
Light colors absorb and reflect more than dark colors.
Light colors absorb and reflect less than dark colors.
The answer is A) Light colors reflect more and absorb less than dark colors.
Because remember, white is the absence of color (reflect) and black is every color (absorbs) :D
Light colors reflect more and absorb less than dark colors. The correct option is A.
What is reflection?When two different media come together at an interface, a wavefront might change direction so that it returns to the first medium, which is known as reflection. The reflection of light, sound, and water waves are typical examples.
It is referred to as light reflection when a light ray hits a polished, smooth surface and bounces back. The incident light rays hit the surface and are reflected off of it.
The darker colours absorb more of the various light energy wavelengths, whereas white or light-colored objects reflect the majority of these wavelengths, which is why heat absorption depends on hue. As a result, black absorbs all light's wavelengths while reflecting none.
Thus, the correct option is A.
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How many children did individuals l-1 and l-2 have.
Answer:
6 children
Explanation:
