Answer:
A
Explanation:
Next time give option so people could understand
The best description of fetal development is the heartbeats, which are heard during the first trimester. The correct option is A.
What is fetal development?It is the process by which an embryo develops and evolves into a fetus. Fetal development during pregnancy is a particularly delicate stage that is influenced by both maternal and environmental influences. The process by which a human fetus develops during pregnancy is known as prenatal development.
Most people find the beginning of a new life to be an exciting period, and this essay will examine the creation process. The things that could impair the prenatal growth of that new life, such as environmental factors, will also be covered.
Therefore, the correct option is A. The heart beats and is heard during the first trimester.
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Which phase is being shown in image C?
Answer:
interphase
Explanation:
10 Points! Q: One way a solar oven works is by transferring energy from the sun to:
A. Thermal energy in water or food
B. electrical energy in the oven
C. chemical energy in water or food
D. light energy in the oven.
Answer:
It is B
Explanation:
Answer:
One way a solar oven works is by transferring energy from the sun to A. Thermal energy in water or food.
Which factor is most important for classifying two species into the same group?
A. They have a common ancestor.
B. They have similar common names.
C. They live in the same type of environment.
D. They look very similar to each other.
They have a common ancestor. Therefore, option (A) is correct.
What does it mean to have common ancestor?Having a common ancestor means that two species share a lineage and have a common parent species from which they both evolved. This common parent species may have existed many generations ago, but its descendants, including the two species in question, still retain a genetic relationship.
The concept of a common ancestor is a fundamental principle in evolutionary biology, as it provides evidence for the theory of evolution and helps to explain the diversity of life on Earth. The study of relationships among species and the determination of common ancestry is known as phylogenetics.
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A ligand is observed to bind its receptor on the outside of the cell. As a result of this binding, a chemical process is initiated within the cytoplasm on the inside of the cell. The original ligand was most likely a
Answer:
Substrate inhibitor, activator or a neurotransmitter.
Explanation:
The original ligand was most likely a substrate inhibitor, activator or a neurotransmitter. A ligand is a small molecule that is able to bind to proteins by weak attractive forces such as ionic bond and hydrogen bonds etc. It also transmit signals in the process from one part to another part. It also act as inhibitor and activator of reactions in the process.
What are the four types of air masses?
Answer:
There are four categories for air masses: arctic, tropical, polar and equatorial. Arctic air masses form in the Arctic region and are very cold
Impressions of tropical swamp plants were observed on rocks in polar regions. The impressions were dark black imprints, which means the fossils are examples of . The fossils tell us that polar regions .
Answer:
the fossils are examples of... mineralization
The fossils tell us that polar regions... formed a supercontinent that divided and slowly drifted to polar regions
Explanation:
Mineralization is a type of fossilization where rich-mineralized water fills the pores of the dead tissues for a long time. Subsequently, when this water is evaporated, the excess of minerals is deposited on the tissues, thereby mineralizing organic tissues.
Fossils enable us to understand more accurately past climatic conditions from regions where these fossils were found. For example, the discovery of plant fossils closely related to tropical species in polar regions suggests that these regions were once a part of a super landmass known as Pangea that divided and drifted a long time ago (millions of years ago).
Answer:
the fossils are examples of... mineralization
The fossils tell us that polar regions... formed a supercontinent that divided and slowly drifted to polar regions
Explanation:
Biology
Answer questions
Answer:
This is your teacher stop cheating victor
Explanation:
Answer: i really dont know this one
Explanation:
What is the basic shape in all carbohydrates?
♥*♡∞:｡.｡ ｡.｡:∞♡*♥ Answer:♥*♡∞:｡.｡ ｡.｡:∞♡*♥♥*♡∞:｡.｡ ｡.｡:∞♡*♥
Monosaccharides
♥*♡∞:｡.｡ ｡.｡:∞♡*♥Explanation:♥*♡∞:｡.｡ ｡.｡:∞♡*♥♥*♡∞:｡.｡ ｡.｡:∞♡*
Monosaccharides are simple sugars made up of three to seven carbons, and they can exist as a linear chain or as ring-shaped molecules.
♥*♡∞:｡.｡ ｡.｡:∞♡*♥Brainlist? :) ♥*♡∞:｡.｡ ｡.｡:∞♡*♥
Summarize the importance of cells within the levels of organization in biological systems. Examine
the relationships between cells and other levels of organization in biological systems and to the
whole biological system.
Answer:
In biological system, cell is known as the basic unit of all organisms. Unicellular organism consist of one cell only but that single cell helps them to perform all the functional activity.
Levels of organization in biological systems is defined as the hierarchy of several components from smallest to complex in biological system.
Cell is one of the important part of Levels of organization in biological systems, as in multicellular organisms group of cells form tissue that create an organ and many organs together form organ system within an organism. The cell is basic unit in all organisms and without a cell, an organism can not develop.
The group of these organism formed from a small cell then form complex component of Levels of organization such as population, community, ecosystem and Biosphere (in sequential order).
help I need help thanks
Answer:
1. Temporal
2. Ecological
3. Mechanical
4. Geographic
Explanation:
The concept of a transgene has been broadly understood for more than 100 years, as the advent of genetic research made its way into the 20th century. As time went by, technologies evolved, and transgenes became widely used during the late 1970s and early '80s. Which is one reason scientists produce transgenic organisms?
A) to create new species of organisms
B) to control microorganisms in the soil
C) to treat certain types of diseases
D) to prevent habitats from being destroyed
Answer:
C) To treat certain types of diseases
Explanation:
Scientists produce transgenic organisms to treat certain types of diseases. Hence, option C is correct.
What are transgenic organisms?An organism or cell is referred to as transgenic if its genome has been transformed by the intentional introduction of one or more foreign DNA sequences from another species. In the lab, transgenic organisms are created for scientific investigation. GMOs, or genetically modified organisms, are another name for transgenic organisms (GMOs).
Transgenesis enables the enhancement of the amount, overall quality, and particular nutritional composition of nutrients in animal products. Transgenic technologies might make it possible to increase or transmit features that are good for nutrition.
Scientists produce transgenic organisms to treat certain types of diseases. Hence, option C is correct.
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What are the products of photosynthesis
1.carbon dioxide and hydrogen
2.hydrogen oxygen and water
3.light energy water and carbon dioxide
4.oxygen and glucose
Name one force pair that has not
been pointed out in the picture of the
baseball player below.
Answer:thats wrong wouldnt one force pair be when someone catches the ball thats a pair i think
Explanation:
What are some examples of BOTH chemical and physical properties in matter?
Answer:
volume (extensive) mass (extensive) boiling point (intensive): the temperature at which a substance boils. melting point (intensive): the temperature at which a substance melts.
Explanation:
if you had a cube that was 6 cm in length and height l, what would be the length and volume be?
_____________-The form of cell division by which___________, with ______ the number of ____________________________, are produced.
Answer:
Meiosis, Gametes, chromosomes
Explanation:
Meiosis is the type of cell division which produces gametes, which have half the number of chromosomes.
I think this is what they want!
Hope this helps!
13. Which process is more efficient?
A. aerobic respiration
0
B. anaerobic respiration
Answer:
Aerobic respiration
Explanation:
It provides more energy
Sugars from the food that we eat are a form of _______ energy that is broken down in the process of cellular respiration.
1.Usable
2.Light
3.Muscular
4.Chemical
Give the phenotype for HH
a. Long hair
b. Medium hair
C.Short hair
Answer:
B
Explanation:
Answer:
i will go along with b
Explanation:
go get the answer right
2. Which food chain correctly diagrams the flow of energy?
A
Primary
consumer
Producer
Tertiary
consumer
Secondary
consumer
B.
Producer
Primary
consumer
Secondary
consumer
Tertiary
consumer
c.
Primary
consumer
Secondary
Tertiary
consumer
consumer
Producer
D.
Tertiary
consumer
Secondary
consumer
Primary
consumer
Producer
Answer:
B.
Producer,
Primary
consumer,
Secondary
consumer,
Tertiary
consumer
Explanation:
Answer:
B.
Producer,
Primary
consumer,
Secondary
consumer,
Tertiary
consumer
Explanation:
The initial steps in gene expression are modeled below. Double-stranded DNA first unwinds into two strands. Which process and product are represented in Diagram 2?
Answer: The initiation of DNA replication occurs in two steps. First, a so-called initiator protein unwinds a short stretch of the DNA double helix. Then, a protein known as helicase attaches to and breaks apart the hydrogen bonds between the bases on the DNA strands, thereby pulling apart the two strands.
Explain how the boiling of water and the cooling of water vapor is a reversible reaction.
(think about hydrogen bonds between water molecules)
Answer: This is a reversible reaction because you can boil the water to make water vapor and when the water vapor is cooled down, it ill turn back into its original liquid, water. This occurs because of hydrogen bonding between water molecules.
Explanation:
What technology had to be developed before viruses could be seen?
What term is used to describe a linear sequence in which energy is transferred from one organism to the next? *
a.food web
b.food chain
c.trophic level
d.energy pyramid
Answer:
b
Explanation:
linear means line. food chains are the only one from all that is illustrated in a line.
hey guys i need help plz plz help i am giving all my points
In the last 250 years, the amount of carbon in the air has increased by _____ percent.
options:
10%
40%
80%
stayed the same
40 percent is the answer
If you are at point A, how many feet did you have to walk to get to point B?
Answer:
I'm not sure but I guess it's 60ft
POSSIBLE PONTS
Scientists believe there are several basic requirements needed for life to exist on a planet. These include the
presence of liquid water and a source of energy, What characteristic of Earth allows water to exist as a liquid?
Answer: Liquid water is an essential requirement for life on Earth because it functions as a solvent. It is capable of dissolving substances and enabling key chemical reactions in animal, plant and microbial cells. Its chemical and physical properties allow it to dissolve more substances than most other liquids.
Explanation:
Liquid water and carbon, as well as a source of energy, are essential for life to emerge and develop.
What is solar system?Solar system is defined as the sun and the group of celestial bodies that are attracted to it and orbit around it, a similar system centered on another star.
The characteristics of life on earth are
OrderSensitivity or response to environment ReproductionGrowth and developmentRegulationHomeostasisEnergy processingCarbon, Oxygen and water are the most important gases for life in earth.
Thus, liquid water and carbon, as well as a source of energy, are essential for life to emerge and develop.
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Does Neptune living things on it
Answer: No
Explanation:
Neptune, like the other gas giants in our solar system, doesn't have much of a solid surface to live on and thus humans or any animals species we know of can live there. Hope this helps and have a nice day! :)
How does vaccination work to protect against specific viral infections?
