Sequence three probable steps of fossil fish formation?

Sequence Three Probable Steps Of Fossil Fish Formation?

Answers

Answer 1

Answer:

鱼类和鱼形动物的区别主要在于口与鳃结构的基本不同

Explanation:


Related Questions

what is haemopoiesis??​

Answers

Haemopoiesis is from greek meaning “ to make. new blood” •

Explanation:

It refers to the formation of blood cellular. components.

The meaning of ALARA in radiation?

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Answer:

The guiding principle of radiation safety is “ALARA”. ALARA stands for “as low as reasonably achievable”.

Describe ways that water pollution occurs. Describe how greenhouse gases contribute to climate change.

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Greenhouse gases are transparent to incoming (short-wave) radiation from the sun but block infrared (long-wave) radiation from leaving the earth's atmosphere. This green house effect traps radiation from the sun and the planet's surface.

Determine the correct energy transformations during the generation of electricity from fossil fuels.
A. Heat to Chemical to Electrical to Kinetic
B. Heat to Kinetic to Electrical to Chemical
C. Kinetic to Chemical to Heat to Electrical
D. Chemical to Heat to Kinetic to Electrical

Answers

Answer:

D. Chemical to heat to kinetic to electrical

The correct energy transformations during the generation of electricity from fossil fuels are D) Chemical to Heat to Kinetic to Electrical

What converts chemical energy to kinetic energy to electrical energy?

Batteries used in torches, computers, toys, and camera cells, are actually made up of chemical cells which convert the chemical energy from the batteries to the electrical energy required for the devices to work well.

What are the main energy types?

Examples of these are light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energy, and so on. Each form can be converted or changed into the other forms.

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Which species of gymnosperms has reddish cones and strap like leaves that tear up from the harsh desert conditions?

A. gnetum
B. welwitschia
C. ephedra

Answers

Answer:

welwitschia

Explanation:

The structure that hotds two chromosomes together until they separate for cett divisionois




1.chromatid .

2.cytoplasm .

3.chromatin .

4.centromere

Answers

The answer is 4. Centromere

What is the function of the mitochondria?
A. Stores the cell's DNA
B. Builds proteins
C. Produces energy for the cell by respiration
OD. Stores the cell's glucose
Reset Selection

Answers

C. Mitochondria is like the power plant of the cell and produces its energy.

Answer:

Produces energy for the cell by respiration

Explanation:

The glucose obtained from food is broken down to pyruvic acid in the cytoplasm. This pyruvic acid is broken down into oxygen, water and energy rich ATP molecules in the Mitochondria.

What variable should Anurag change in his experiment

Answers

Answer:

For geological carbon sequestration, the reaction of aqueous CO2 with silicate rock permits carbonate formation, achieving permanent carbon sequestration.A

Explanation:

DNA is referred to as a______, meaning that it has
strands that are______together.

Answers

Answer:

molecule

wound

Explanation:

DNA is the chemical name for molecule. The strands wind together and form a double helix.

The answers should be
1. Molecule

2. Wound

Carnivore that feeds on primary consumers
Question 3 Multiple Choice Worth 3 points
(01.01 LC)
Which of the following is an example of a decomposer?

Answers

we need the options in order to answer

For every 100ml of deoxygenated blood delivers approximately _____ml of CO2 to the alveoli.​

Answers

Answer:

For every 100ml of deoxygenated blood delivers approximately __4___ml of CO2 to the alveoli.

Answer:

4ml

Explanation:

For every 100ml of deoxygenated blood delivers approximately 4 ml of CO2 to the alveoli.

Hope it is helpful....

how much water was retained by soil C​

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Answer:

we dont know sorry but i dont know

What are the types of honey bee?​

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Answer:

kdjjdndkskkdjckfkfjsjjsjsmslaldjnxjcjc

According to cell theory, all new cells...
A. must share DNA with existing cells.
B. must eat.
C. come from other cells.

Answers

Answer:

с

Explanation:

all new cells come from other cells

What is a community?
1 all the animals that live in a habitat
2 a single species that lives in a habitat
3 all the species that live in a habitat
4 a population that lives in a single habitat

Answers

Answer:

3. All the species that live in a habitat.

A community is where all the species live in a habitat. Hence the correct option is 1.

A community is an ecological term that encompasses all the different species of organisms that coexist and interact within a specific habitat or geographic area. It includes plants, animals, fungi, and microorganisms that share the same environment and form intricate ecological relationships with each other.

These relationships can be competitive, predatory, symbiotic, or other forms of interactions that influence the dynamics and structure of the community. Understanding the composition and interactions within a community is vital in studying the biodiversity, ecosystem functioning, and overall health of a given habitat.

Hence the correct option is 1.

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Read the information below then answer the questions which follow:
To grow, plants require water. They cannot get this water unless it is available in the soil. Plants
obtain water from the soil through their roots. It then passes up the stem and to the leaves and
flowers. The plant does not take all the water available in the soil. Much of the remaining water
evaporates into the surrounding air.
In an experiment, a stem which contained several flowers were placed in a beaker of water
containing red ink.
QUESTION 1
(1 mark)
What is the purpose of the experiment?​

Answers

Answer:

I believe the experiment was too see if the flowers that would grow from the stem would turn out to be red in color. (Which is the reason they put red ink.)

(hope this helped :P)

Which of the following does NOT relate to water?
A. Dehydration damages cells.
B. 70% of the human body.
C. Controls negative feedback mechanisms.
D. Contains and moves ions in and out of cells.

Answers

The answer should be D. Contains and moves ions in and out of cells

The following that does not relate to water is it contains and moves ions in and out of cells. The correct option is D.

What is water?

Water is a chemical compound made up of hydrogen and oxygen. It is a necessary part of life. As our body is made up of 90% of water, and without water, organisms would not survive.

The transport of ions and molecules in and out of the cell is done by the cytoplasm filling in the cell.

Thus, the correct option is D. Contains and moves ions in and out of cells.

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What would be most likely to happen if some of the proteins Ik one of the photo systems were to change shape due to a drop in cell pH?
A. A decrease in the formation of NADPH
B. An increase in the formation of NADP+
C. A decrease in chlorophyll production
D. An increase in sugar production

Answers

Answer:

Option A

Explanation:

If some proteins in one of the photosystems undergo change in their shape due to a drop in pH of cell, they will not perform their activity. Due to this, there will be a decrease in the formation of NADPH ( that is less reduction of NADP due to blockage in the transport of electron).

Anyone know this??? Help!!!
Devise an experiment to test the effect of pH on the activity of biological washing powder

Answers

Answer:

I think you are nepali yeah but I don't have your question ❓ answer

Please help me with these questions
I will mark the Brillianest​

Answers

Answer:

[tex] \pink{\qquad \boxed{\boxed{\begin{array}{cc} \maltese \: \: \: \bf \: see \: the \: picture \: \: \end{array}}}}[/tex]

When thinking about all 4 types of macromolecules discussed, which of the following statements are true? Select all that apply.


Monomers are linked together by hydrolysis.


Monomers are joined together to form functional polymers


Monomers are linked together by dehydration synthesis.


Monomers join together via hydrogen bonds.

Answers

2 and 3

1 is describing the process to separate monomers
2 multiple monomers create polymers
3 removal of water to join monomers
4 they are joined by covalent bonds

Name one geographic region that has few or no fossil primates and explain why.

Answers

Answer:

Australia

Explanation:

Fossils are preserved remains (or mouldings) of ancient living things which are preserved in sedimentary rocks. Primate fossils are generally found along with other fossils, usually in ancient soils that contain information on the conditions under which they were formed. Primate fossils are generally found in tropical and subtropical regions (which represent the natural habitat in which these species live). Primates never lived in Australia, and therefore no fossil primates from this geographic area have been found.

What does a botanist study

Answers

Answer:

Botany is the scientific study of plants—how plants function, what they look like, how they are related to each other, where they grow, how people make use of plants, and how plants evolved.

I HOPE THIS WILL HELP YOU

HAVE A GREAT DAY :)

How do bacteria develop resistance to drugs

Answers

Answer: Bacteria gain resistance to drugs because of mutations (permanent and random changes to their DNA) which means they have changed DNA coding, giving them the ability to resist the drug fighting them off. As a result, they survive and reproduce. Over time, more and more bacteria are generated as the DNA code for resistance is passed on over generations. This results in bacteria having the ability to resist drugs. This is particularly prevalent with antibiotics.

Bacteria develop drug resistance through genetic mutations, acquisition of resistance genes, production of inactivating enzymes, efflux pumps, and biofilm formation.

Bacteria can develop resistance to drugs through several mechanisms. One common way is through genetic mutations or acquisition of resistance genes. Mutations can occur in the bacterial DNA, leading to changes in the target site of the drug, rendering it ineffective. Resistance genes can be transferred between bacteria through horizontal gene transfer, allowing the recipient bacteria to acquire resistance traits.

Another mechanism is the production of enzymes that can inactivate the drug. Bacteria can produce enzymes, such as beta-lactamases, that break down antibiotics like penicillin, preventing them from functioning properly. Bacteria can develop efflux pumps that actively pump out drugs from their cells, reducing their concentration and effectiveness. This mechanism helps bacteria evade the lethal effects of antibiotics. Biofilm formation provides a protective environment for bacteria, making them less susceptible to drugs and immune system attacks.

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The correct question is:

How do bacteria develop resistance to drugs?

which statement describes a process associated with meiosis

Answers

Answer:

homologous chromosomes pair up

Answer:

Haploid cells join to form an organism that has a complete set of chromosomes.

Explanation:


What component of Earth's atmosphere exists entirely as a result of photosynthesis?
oxygen pas
n mas
O water vapor
O nitrogen gas
O carbon dioxide gas

Answers

Answer:

Explanation:

Carbon dioxide

The last one is correct
Hope its help for your questions

HELP ASAP PLEASE HELP FAST

Answers

I DONT HAVE THE ANSWER BUT GOOD LUCK

You are studying an enzyme that is inactivated by phosphorylation and create a mutant in which the threonine that is normally phosphorylated is replaced with glutamate. Predict the impact of this change on the activity of this enzyme. Group of answer choices

Answers

Answer:

always active  

Explanation:

Phosphorylation is a posttranslational modification that consists of the addition of phosphate groups to specific amino acids on the protein. Phosphorylation acts as a molecular switch for proteins that are phosphorylated (i.e., in some situations phosphorylation acts to activate protein function, whereas in other situations phosphorylation can inactivate protein function). Phosphorylation modifies the three-dimensional structure of the protein, thereby affecting, for example, the accessibility of the active site of a phosphorylated enzyme to its substrate. Phosphorylation can occur only at the side chains of three amino acids: Serine, Threonine and Tyrosine. In this case, the enzyme is inactivated by phosphorylation on the Threonine residue, so it is expected that the mutant enzyme cannot be phosphorylated, remaining in an active state.

Human being get energy from

Answers

Are you asking how humans get energy?
Any food they consume or sleep. Hope this helps

explain how the various specialiesed cells are modified to Cary out to their function 20mark​

Answers

Sperm cell; has acrosome containing lytic enzymes; that digest the egg membranes for penetration during fertilization; has a long tail; containing numerous mitochondria; to generate maximum energy for propulsion/swimming in the vaginal fluid after ejaculation; Red blood cells; are flattened, circular/spherical biconcave in shape; to increase the surface area for packaging of haemoglobin; has haemoglobin; that combines with respiratory gases; for transport to and from body tissues; White blood cells; are amoeboid in shape hence able to change shape; to engulf pathogens through phagocytosis; lymphocytes produce antibodies to fight pathogens; Nerve cell; has extensions/dentrites; to receive and send information for sensation; Ciliated epithelial cells; have cilia for propulsion of mucus that traps dust and micro-organisms in the respiratory tract; Muscle cells; elongated, striated and contractile; to bring about movement; Plant cells: Guard cells; bean-shaped; to regulate the size of the stomata allowing gaseous exchange; and control water loss; has chloroplasts with chlorophyll; for photosynthesis; Root hair cell; elongated; thin-walled; with dense cytoplasm for absorption of water and mineral salts; Epidermal cell; thin; for protection of inner tissues from mechanical and micro-organism attack; Palisade cell; contains numerous chloroplasts with chlorophyll; for photosynthesis; elongated; to increase surface area for trapping maximum amounts of light energy; Meristematic cell; thinwalled; with dense cytoplasm; for primary and secondary growth
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