Answer:
true!
Explanation:
natural selection: (definition) the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution
Can someone please help me . WIL MARK BRAINLIEST !!
Which of the following organelles is in plant cells, but not animal cells ?
1. Nucleus
2. Endoplasmic reticulum
3. Chloroplasts
4. Cytoplasm
Answer:
Chloroplasts
Explanation:
Photosynthesis occurs in chloroplast . Plants do photosynthesis , so they have chloroplasts in their cells. But animals dont do photosynthesis , so they dont have it in their cells
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all you need is in the photo
Answer:
i want to ive in habitat a
Explanation:
mark me brainliest bc im smart and helped aloyt
Answer:
D
Explanation:
Because more water is there since its not that dry in habitat A, and transpiration means like water vapor through plants/leaves
All living organisms are made up of cells. Cells are the basic units of life. In complex living organisms, cells are organizer into tissues, tissues are organized into organs, and organs are organized into organ systems. What characteristic of life does this information represent?
Answer:
The organization of life
Explanation:
The organization of living things or life is a system of classifying living things in a hierarchical order or level from the simplest to the most complex based on structure and function. The simplest level is the cell while the most complex is the organism.
All living organisms are made up of cells. Cells are the basic units of life. In complex living organisms, cells are organized into tissues.
Tissues are a group of cells of the same kind. Tissues are organized into organs.
An Organ is a structure composed of one or more types of tissues that work together to perfume a specific function. Human organs include the brain, heart, skin, stomach, kidney, etc. Organs are organized into organ systems.
An Organ system is a group of organs that work together to perform a certain function. Examples of organ systems include the circulatory, skeletal, nervous, digestive and reproductive systems. Organ systems make up an organism.
An organism is an individual living thing that is made up of one or more organ systems. Examples are humans, plants, insects, etc
Answer:
Life can be arranged in a structural hierarchy.
Explanation:
all you need is in the photo
Answer:
The number of small fish and crustaceans increased.
Why are flowers important to plants?
A.
They attract birds and insects to assist in pollination.
B.
They protect the reproductive parts of the flower.
C.
They are ornamental.
D.
They are a food source.
E.
They produce new flowers.
Answer:
The Answer I believe to be correct is A. They attract birds and insects to assist in pollination.
Explanation:
Answer:
a
Explanation:
i took the test
A cell going through meiosis changes as it divides. Which process is most important for producing
haploid cells?
Group of answer choices
independent assortment
reduction division
synthesis
crossing over
Answer:
Reduction DivisionExplanation:
Reduction division is the process that is most important for producing haploid cells during meiosis. Therefore, option (B) is correct.
What is meiosis?Meiosis is a type of cell division that occurs in sexually reproducing organisms. It involves two successive divisions (meiosis I and meiosis II) that result in the production of four daughter cells, each with half the number of chromosomes as the parent cell. This reduction in chromosome number is known as "reduction division."
Reduction division is important because it ensures that the daughter cells produced by meiosis have the correct number of chromosomes. In organisms that have a diploid number of chromosomes (such as humans, which have 46 chromosomes), the daughter cells produced by meiosis have a haploid number of chromosomes (23 chromosomes). These haploid cells can then combine with other haploid cells during fertilization to form a new diploid organism.
Independent assortment, synthesis, and crossing over are also important processes that occur during meiosis, but they do not directly produce haploid cells. Independent assortment refers to the random distribution of chromosomes to daughter cells during meiosis I. Synthesis is the process of DNA replication, which occurs prior to meiosis. Crossing over is a process that occurs during meiosis I in which chromosomes exchange genetic material, leading to genetic diversity in the daughter cells.
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Which discovery was essential to the concept that all life forms have cells as basic units?
Fungi, such as mushrooms and molds, get their nutrition primarily by
Answer:
A1) The invention of the microscope led to the discovery of the cell by Hooke.
A2) Decaying organic matter
Explanation:
__________
Most of the cells of the human body contain two sets of 23
chromosomes. Where did these chromosomes come from?
a- both sets came from the mother
b- both sets came from the father
c- a random number of chromosomes came from each parent
e-one set came from each parent
Answer:
e-one set came from each parent
Explanation:
I WILL GIVE BRAINLEIST IF CORRECT
Describe the steps, in order, that a sedimentary rock would undergo to change to a metamorphic rock, then to an igneous rock.
Answer:
The three main rock types are igneous, metamorphic and sedimentary.
The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation.
Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.
Explanation:
Weathering wears rocks at the Earth’s surface down into smaller pieces. The small fragments are called sediments. Running water, ice, and gravity all transport these sediments from one place to another by erosion. During sedimentation, the sediments are laid down or deposited. In order to form a sedimentary rock, the accumulated sediment must become compacted and cemented together.
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But your probably going to give him the brainliest, Good Job (:c)
Which feature do plants have that provide structure and form?
Answer:
Plants have a cell wall which gives the plant structure. The cell wall is made of cellulose.
Explanation:
Answer: plants have an internal skeleton of bones
Explanation:
Give one example of how humans can affect the biosphere. How might that impact the other spheres in the Earth system?
Answer: Piling up our waste in landfills affects the geosphere. Pumping waste into the oceans harms the hydrosphere. And overfishing and habitat destruction can reduce the diversity of living things in the biosphere.
Explanation: Hope this helps and good luck :)
What type of cell is shown the image?
Answer: eukaryotic cells
Explanation:
The image shows a eukaryotic plant cell undergoing DNA replication and mitosis to produce daughter cells.
Eukaryotic cells, including plant cells, have a well-defined nucleus enclosed within a membrane, where the genetic material (DNA) is located.
DNA replication is the process of copying the cell's genetic information to ensure each daughter cell receives a complete set of chromosomes.
Mitosis is a form of cell division where the duplicated chromosomes are segregated into two identical daughter cells. This process is essential for growth, tissue repair, and asexual reproduction in plants and other eukaryotic organisms.
The daughter cells will be genetically identical to the parent cell, allowing for the propagation of the same genetic information and traits.
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Which of the following is NOT true about DNA?
O It is made up of nucleotides
O It creates energy for the cell
It stores and processes information in the cell
O It makes up the genes which contain genetic material
WILL MARK BRAINLIEST IF U PUT A PROPER ANSWER!!!! you find an interesting mineral, but have no idea what it is. Describe the steps that you would take to identify the mineral.
Answer:First I would ask any people that I know if they know about the mineral, if they say no then I will do resear on it until I figure out what it is
Explanation:
Which level of organization is best represented by the cactus plant?
A
cell
B
organ
C
organism
D
tissue
The level of organization is best represented by the cactus plant organism. Thus, option C is correct.
What is organisation level in the living things?In the case of the living things first of all they has been made up of the cell and the cell has been known as the basic as well as fundamental unit of the living things, after that the cells has been combined and they must form tissue, or we can say that the group of the cell is known as tissue.
Tissues has been combined together and they form the muscles and these muscles are of several types and than after that muscles combined together and they form the organ and each of the organ of the body has been made up of different types of the tissue. Like heart has been made up of such type of tissue that never takes rest.
At last the organs or we can say that two three organs has been combined together to form the organ system of the body such as the nervous system, respiratory system, and these systems has been combinedly form the whole organism.
Therefore, The level of organization is best represented by the cactus plant organism. Thus, option C is correct.
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A particular mouse found in northern Canada has a light gray coat in the colder winter months but in the summer months has a dark brown coat. What can you say about this change?
Answer:
It changes based upon the weather for camaflouge
Which of the following correctly describes the chemical reaction for cellular respiration?
F Glucose is broken down into water, Il water is used to convert oxygen to carbon
carbon dioxide, and energy
dioxide
G Carbon dioxide and water combine in the J Carbon dioxide is absorbed and oxygen
presence of sunlight to produce glucose is released
and oxygen
Answer:
the first one
Explanation:
cellular respiration= glucose + oxygen --> energy + water + CO2
20. Scientists have discovered that there has been a reduction in the butterfly population in an ecosystem. After much
research, they have identified that the carrying capacity for butterflies has been decreased. If the scientists want to increase
the butterfly population, which action should they recommend?
A. removing primary producers
B. spraying of insecticides
C. increasing runoff
D. planting flowers
Answer:
i think the answer is planting flowers
Explanation:
this will allow more butterflies to have food.
Answer:
hello again
Explanation:
When we hear the word bacteria, we probably think of disease transmission or illness. But bacteria provide many
health benefits to humans. All BUT ONE is a health benefit of bacteria today in the world of medicine.
A)
production of vaccines
B)
genetic engineering to produce insulin
fixing atmospheric nitrogen into a usable form
D)
probiotic added to food and vitamin supplements
Answer:
A is the correct option
Explanation:
In the pharmaceutical industry, bacteria are used to produce antibiotics, vaccines, and medically-useful enzymes.
all you need is in the photo
Does diffusion require energy??!! (:
Answer:
no
Explanation:
i requires some form of ATP
Explain the effect of activity on a heart rate
can someone PLZ help me on some QUESTIONS PLZ I AM BEGING FOR U
starting in the vena, list the chambers and blood vessels in order that blood passes through them until it reaches the aorta
Answer:
Blood flows from the right atrium into the right ventricle through the open tricuspid valve, and from the left atrium into the left ventricle through the open mitral valve
Can you explain what happens when a cloud forms?
Answer:
Clouds form as air warms up near the Earth's surface and rises. It is heated by sunlight and the ground heats the air just above it. That warmed air starts to rise because when warm it is lighter and less dense than the air around it. As it rises, its pressure and temperature drop causing water vapor to condense.
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A student mixes strawberry kool-aid and water. A pH meter is used to measure the pH of 5.4. What kind of solution is strawberry Kool-Aid? **
The article "Human Impact on the Galapagos Islands" and the video "Long Line Fishing Threatens Wildlife of the Galapagos Islands” both discuss overfishing. Which source provides more information on how to fix the overfishing problem? What solutions does this source provide?
Answer:
The first one, "Human Impact on the Galapogos islands", the solutions it provides wont only help the islands, but help everywhere, and that there are much safer ways
Explanation:
Answer: Human Impact: While this unforgiving and uncontrollable force of nature has had a destructive impact on the Galapagos, many of the environmental issues facing the Galapagos originate from a potentially controllable source human beings. The presence of people in the Islands has two sources: migration from the mainland and tourism.
Explanation: