Which of these is a biotic factor?
topography
soil
air
bactiria

Answers

Answer 1
Soil and air because it is needed for the development of living beings

Related Questions

These types of consumer relationships can affect the size of prey and plant populations in a community and determine the places these prey and plant species live. For example, certain plants only grow in steep hillside in a habitat because they are eaten near the stream in the valley, or deer live in the forest to better hide from wolves in the open fields.
a. Parasitism and Commensalism
b. Mutualism and Herbivory
c. Predation and Parasitism
d. Predation and Herbivory

Answers

I think the answer is b because the plant would grow on the side of the land because of mulualiam and that is the spreading of seeds in a plant that was left behind

A spacecraft can travel 20km/s how many km can this spacecraft travel in 1 hour?

Answers

Answer:

This spacecraft can travel

[tex]72000km[/tex]

Help this is due in an hour….

Answers

Answer:

I'm sure it's A

Explanation:

the acromial end of the clavicle articulates with the

Answers

Answer:

acromion of the scapula

The acromial end of the clavicle articulates with the acromion of the scapula at the acromioclavicular joint. This end is also anchored to the coracoid process of the scapula by the coracoclavicular ligament, which provides indirect support for the acromioclavicular joint.

Explanation:

what is the major energy carrier molecule in most cells

Answers

Answer:

mitochondria

Explanation:

A bat is a mammal even though it flies in air. Why?​

Answers

Answer

Bats are true mammals in that they give birth to live young, produce milk to feed their young, have hair, and they are warm-blooded (they can self-regulate their body temperature). ... Bats use their wings to fly, and they often use them to catch their prey, mostly flying insects.

Answer:

Flying Mammals

Explanation:

Bats are true mammals in that they give birth to live young, produce milk to feed their young, have hair, and they are warm-blooded (they can self-regulate their body temperature). Bats are unique among mammals in that they can fly. Even though they can fly, they have mammal characteristics.

which muscle cells have desmosomes and gap junctions

Answers

Answer:

Cardiac muscle cells are rectangular-shaped cells connected by regions called intercalated discs. Intercalated discs contain gap junctions and desmosomes.

Explanation:

The muscle cells that have desmosomes and gap junctions are cardiac and smooth muscle cells. The correct option is C.

What is a cardiac cell?

Cardiac cells are the chain of myofibrils and look like a chain of rods. It is of red color. Cardiac muscle cell has three types of gap junction. The two types are sheet desmosomes and spot desmosomes.

The options are attached below.

Thus, the correct option is C. cardiac and smooth muscle cells.

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state three items that are absorbed by the plant system ?
where do materials pass in the cell
outline three process absorption help to improve

give a real life scenario of how diffusion occur
what type of molecules do we deal with in osmosis ​

Answers

water, sunlight, oxygen.

skeletal muscle exhibits alternating light and dark bands called

Answers

Skeletal muscle exhibits alternating light and dark bands called a sarcomere

Skeletal muscle is having sarcomere having myofibrils which appear dark and light in the microscope.

What is skeletal muscle?

Only thin filaments containing actin are present in isotropic bands, anisotropic bands are the darker bands (A bands).

Repeating sarcomere sections, which are visible under the microscope as alternating dark and light bands, make up myofibrils.

When a muscle contracts or relaxes, long, fibrous protein filaments called sarcomeres glide past one another. Because of this, skeletal muscle is also known as striated muscle.

Therefore in appearance due to myofibrils composed of the sarcomere look light and dark bands in the skeletal muscle under a microscope.

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Which of the following best represents the goals of the 1963 March on Washington organizers?

A.) To tell Congress they are doing great.
B.) To unify Americans to gather in non-violent protest to bring about real, actionable change
C.) To get the president on their side
D.) To support separate education

Answers

Answer:

D.) To support separate education

Explanation:

Answer:

B

To unify Americans to gather in non-violent protest to bring about real, actionable change

Explanation:

Originally conceived as a mass demonstration to spotlight economic inequalities and press for a new federal jobs program and a higher minimum wage, the goals of the march expanded to include calls for congressional passage of the Civil Rights Act, full integration of public schools, and enactment of a bill prohibiting ...

what do the roman numerals in the pedigree diagram represent?

Answers

Answer:

I think it is supposed to be generation so 1st and 2nd generation in this case.

Explanation:

Answer:

Roman Numeral stands for the generation in the family

Explanation:

https://www.cs.cmu.edu/~genetics/units/instructions/instructions-PBA.pdf

Pedigree Analysis

discribe the processes of transcriotion and translation

Answers

Explanation:

Basic Biology

BASIC BIOLOGY

Inspired by life

TRANSCRIPTION AND TRANSLATION

Genes provide information for building proteins. They don’t however directly create proteins. The production of proteins is completed through two processes: transcription and translation.

Transcription and translation take the information in DNA and use it to produce proteins. Transcription uses a strand of DNA as a template to build a molecule called RNA.

The RNA molecule is the link between DNA and the production of proteins. During translation, the RNA molecule created in the transcription process delivers information from the DNA to the protein-building machines.

DNA → RNA → Protein

DNA and RNA are similar molecules and are both built from smaller molecules called nucleotides. Proteins are made from a sequence of amino acids rather than nucleotides. Transcription and translation are the two processes that convert a sequence of nucleotides from DNA into a sequence of amino acids to build the desired protein.

These two processes are essential for life. They are found in all organisms – eukaryotic and prokaryotic. Converting genetic information into proteins has kept life in existence for billions of years.

DNA and RNA

RNA and DNA are very similar molecules. They are both nucleic acids (one of the four molecules of life), they are both built on a foundation of nucleotides and they both contain four nitrogenous bases that pair up.

A strand of DNA contains a chain of connecting nucleotides. Each nucleotide contains a sugar, and a nitrogenous base and a phosphate group. There is a total of four different nitrogenous bases in DNA: adenine (A), thymine (T), guanine (G), and cytosine (C).

A strand of DNA is almost always found bonded to another strand of DNA in a double helix. Two strands of DNA are bonded together by their nitrogenous bases. The bases form what are called ‘base pairs’ where adenine and thymine bond together and guanine and cytosine bond together.

Adenine and thymine are complementary bases and do not bond with the guanine and cytosine. Guanine and cytosine only bond with each other and not adenine or thymine.

There are a couple of key differences between the structure of DNA and RNA molecules. They contain different sugars. DNA has a deoxyribose sugar while RNA has a ribose sugar.

what is the function of allolactose in regulation of the lac operon?

Answers

Answer:

Inducer

Explanation:

Allolactose binds to the lac repressor and makes it change shape so it can no longer bind DNA. Allolactose is an example of an inducer, a small molecule that triggers expression of a gene or operon.

Answer:

Allolactose binds to the lac repressor and makes it change shape so it can no longer bind DNA. Allolactose is an example of an inducer, a small molecule that triggers expression of a gene or operon.

plants use the ____________ to make organic molecules.

Answers

The answer is light-independent reactions.

What is the difference between El Nino and La Nina in science terms of climate?

Answers

Answer:

El Niño impacts weather systems around the globe, triggering predictable disruptions in temperature, rainfall and winds. La Niña is the opposite – a cooling phase of ENSO that tends to have global climate impacts opposite to those of it. El Niño refers to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific. It represents the warm phase of the ENSO cycle. La Niña refers to the periodic cooling of sea-surface temperatures across the east-central equatorial Pacific.

Hope this helps

Answer:

Well, El Niño(warmer environment) impacts weather systems around the world, while La Nina(cold environment) tends to have global climate affects opposite to El Nino.


Please help




I don't know which one is the answer :(​

Answers

Answer:

I believe that your answer is C.

Explanation:

Keep in mind that Steve is working with crops (wheat specifically) and Devan has helped him repair his machinery so that Steve can harvest the wheat properly.

which statement about food production since 1960 is true?

Answers

Answer:

During this time our food production has grown even faster than our population

Explanation:

hope this helps you if it does please mark brainiest

Plz help:
b. Compare dominant and recessive traits –
c. Compare pure and hybrid offspring –

Answers

Answer:

b. What is the difference between dominant and recessive traits? Dominant traits are always expressed when the connected allele is dominant, even if only one copy of the dominant trait exists. Recessive traits are expressed only if both the connected alleles are recessive.

c. In the simplest possible terms, purebreds are the offspring that result from mating between genetically similar parents while hybrids are the offspring that are the result of mating between two genetically dissimilar parents.

Explanation:

Answer:

b. Dominant traits are always expressed when the connected allele is dominant, even if only one copy of the dominant trait exists. Recessive traits are expressed only if both the connected alleles are recessive.

Explanation:

c. purebreds are the offspring that result from mating between genetically similar parents while hybrids are the offspring that are the result of mating between two genetically dissimilar parents.

When is the gravity exerted on Earth by the Sun and Moon system the greatest? Why do you say this?

Answers

Answer:

When the Moon is positioned between the Sun and the Earth.

Explanation:

This is because you add both the gravitational pull of the Moon, with the gravitational pull of the sun.

match the pairs-rhizobium-
a)nitrogen fixation
b) bakery products
c) food poisoning​

Answers

Answer:

A

Explanation:

Pls help!

Explain how Community 1 and Community 2 compare with regards to species richness
(number of species)?

Explain how Community 1 and Community 2 compare with regards to species evenness
(proportion of each species)?

Answers

I need to see whole picture to help

what four pathways are involved in the breakdown of glucose to carbon dioxide and water?

Answers

Answer:

Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.

The importance of PATTERNS (base order) over the two steps of protein synthesis:
TRANSCRIPTION: The sequence ( specific order) of bases in _________determines the sequence (specific order) in the _______.
TRANSLATION: The sequence (specific order) of the bases in the ________ determines the sequence of the _________that make-up the _________.

Answers

Answer:

fdfdfdfdfdfdfdfdfdfdffd

Which type of fossil can help is understand an organisms activity during its time?

Answers

Probably the footprint

In recent years, poaching in Africa has declined. Will the decrease of poaching lead to a return of more elephants with tusks in future generations?

Answers

Yes, reducing poaching will help increase the elephant population

the rhomboideus minor muscle originates on which process on the vertebrae?

Answers

Answer:

The spinous process

Explanation:

The rhomboideus minor muscle is a part of the posterior group of the pectoral girdle, which is included in the spinous process.

help me pls........

Take a look at the phylogenetic tree. Which two organisms on the tree would be expected to share the most characteristics?

O cnidarians and animals with bilateral symmetry

Ochoanoflagellates and cnidarians

O sac fungi and cnidarians

O amoebas and sponges​

Answers

Answer:

first option and third option

Explanation:

pls give brainliest have a great day

Interpreto la imagen: 1. ¿Qué sensaciones te transmite la
fotografía? 2. ¿en dónde se encuentra el fósil del ser vivo
que se observa en la fotografía? 3. ¿A qué reino de la
naturaleza pertenecía el ser vivo de la fotografía? ¿Por qué?
4. ¿Cómo explicarías a una persona que es la evolución a
partir de esta fotografía? 5. La fotografía muestra un fósil
de cocodrilo de la especie C.Robustus, evidencia
paleontológica que demuestra la existencia de estos
animales desde el triásico y el jurásico en el planeta tierra.
¿Por qué crees que, a una institución como el laboratorio
de Ciencias de la Tierra de Lyon, en Francia, le puede
interesar estudiar un espécimen como este?.

Answers

Answer:

what image

Explanation:

How do meiosis I and II contribute to genetic variation?

Answers

The duplicated chromatids stay connected and joined during meiosis 1, each daughter cell only receive one chromosome from each homologous pair

The four main groups of macromolecules are carbohydrates, lipids, proteins. Identify each type of macromolecule based on its monomer.

Answers

Answer:

1) GLUCOSE is the monomer for CARBOHYDRATES

2) FATTY ACID & GLYCEROL is the monomer for LIPIDS

3) NUCLEOTIDE is the monomer for  NUCLEIC ACIDS

4) AMINO ACID is the monomer for PROTEINS

image thanks to OpenStax

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