which animal is one of only two mammals that lay eggs?

Answers

Answer 1

Answer:

The platypus

Explanation:

Answer 2

Answer: Duck-billed platypus.

Explanation:

I took the test and got 100%!


Related Questions

Which is transported in the xylem of a plant?

Answers

Answer:

B. Nutrients

Explanation:

Xylem transports water upwards through the stem from the soil

Dissolved in this water are nutrients such as nitrates which are vital for plants

mucous membranes are an example of which type of tissue?

Answers

Answer:epithelial

Explanation:

Which of the following does not directly cause erosion?
O Ice
OLichen
ОSun light
oChemicals

Answers

Answer:

a ice

Explanation:

ice doesnt cause erosion directly

It’s either ice or chemicals

HELP................

Answers

Answer:

Active Transport

Explanation:

is there a nutritional difference in brown and white eggs

Answers

Answer:

there is no significant difference in nutrients between brown and white eggs.

Which type of cell is shown in the figure?
A: Triploid cell
B: Diploid cell
C: Polyploid cell
D: Haploid cell

Answers

Answer:

Haploid

Explanation:

Under the hypothesis of blending inheritance, what color(s) would the offspring of a black cat and a white cat be

Answers

Under the hypothesis of blending inheritance, the offspring of a black cat and a white cat would be GREY.  This theory is not now accepted.

Blending inheritance is an erroneous theory from the 19th century that proposed that offspring inherit phenotypic traits as 'average values' observed for such traits in their parents.

Mendel's laws of heredity (i.e., the Law of Segregation and the Law of Independent Assortment) showed that blending inheritance is based on erroneous concepts.

Moreover, incomplete dominance is an inheritance pattern different from blending inheritance because incomplete dominance refers to the observation that in certain traits both gene variants or 'alleles' are expressed in heterozygous individuals.

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what is the difference between ribose and deoxyribose

Answers

Answer: Ribose is a pentose sugar and is found in DNA. Ribose binds a phosphate at the 3′ position

Ribose is a 5-carbon simple sugar. The chemical formula of this sugar molecule is H−(C=O)−(CHOH)4−H. This is the prime component of ribonucleic acid strands. It forms ribonucleotides.


Deoxyribose is a hexose sugar and is found in RNA. Deoxyribose binds a phosphate at the 2′ position. deoxyribose has one less oxygen molecule than ribose.

Deoxyribose, on the other hand, is a monosaccharide too. It also has the same 5-carbon formula as that of ribose sugar but loses an oxygen atom. Its chemical formula is H−(C=O)−(CH2)−(CHOH)3−H

Who discovered mercury and what is your source?

Answers

Answer: Sumerians

Explanation: www.whodiscoveredit.com/who-discovered-mercury.html  

Answer:

Galileo Galilei first discovered mercury my source https://www.nhm.ac.uk/discover/planet-mercury.html#:~:text=Mercury%20is%20one%20of%20the,Galileo%20Galilei%20and%20Thomas%20Harriot.    that link

Explanation:

Hope di helps

What is a force that opposes motion through direct contact?

A. Friction
B. Pull
C. Push

Answers

Answer: a) Friction

Explanation: Friction is a force that opposes motion. When two objects are in contact, friction is acts in a direction opposite to the motion of the object.

The correct answer is A.
Friction is when two objects move along side each other

Fill in the Blanks
Cancer occurs when there is a _____________ in the gene. Division in cancer cells is _______________. Cancer cells crowd out other __________cell and function _________________. They can also _____________the correct functioning of major organs.

Answers

Answer:

Disease

Propatogenic

Cell

include

without rain animals would not survive

Answers

Answer:

Without rain, there would more than likely be no collection of water for animals to drink such as ponds, lakes, rivers, etc. Rain, in addition to providing these animals with water to drink, also provides them with their natural habitats such as fish, mosquitoes, and other water creatures. Without rain, animals would merely perish, and soon, humans would as well.

Explanation:

Factors
Increase or Decrease
in Carrying Capacity?

Answers

Answer:

Carrying capacity, or the greatest number of people that an environment can support over time without harming or degrading it, is controlled by a few basic factors: food supply, water availability, and space. Carrying capacity, or the greatest number of people that an environment can support over time without harming or degrading it, is controlled by a few basic factors: food supply, water availability, and space.

Explanation:

The process of making sugars in the chloroplast is called??

Answers

Answer:

Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. ... The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each chloroplast.

What percentage of body water loss can impact athletic performance?

Answers

Exercise performance begins to decline once water loss exceeds 2% of an individual's body mass.

can anyone explain for me number 2 and 3​

Answers

Answer:

wassup bro,

could you share the whole screen thing so I can try

thnx

PLEASE HELP ME IM TIMED!

Answers

Answer:

D

Explanation:

Actually fat is the best source of energy, since it is time consuming to break down a molecule of fat, carbohydrate is now used as an alternative to that since the molecules are broken down quicker.

on what basis are populations assigned to the same biological species?

Answers

Answer: On What Basis Are Populations Assigned To The Same Biological Species? Answer A Very Similar Appearance Being Able To Interbreed And Produce Fertile Offspring Relating To The Environment In The Same Way Sharing A Common Ancestor Having 99% Of Their Genes In Common

organisms that have bigger genomes are more complex than organisms with smaller genomes.

Answers

Not necessarily. There is a Japanese flower (Paris japonica) that has a genome 50x larger than the human gene.

below is a view at 1000x magnification of a gram stain of the cerebrospinal fluid. what type of white blood cell predominates in charlie’s csf?

Answers

The type of white blood cell that predominated in charlie's CSF is neutrophils.

Cerebrospinal fluid (CSF) is a transparent, colorless plasma ultrafiltrate with little protein and few cells. It is produced in the choroid plexus in the ventricular brain system.

The type of white blood cell that predominated in charlie's CSF is neutrophils. They are granular leucocytes, with active phagocytes. In the cytoplasm, there is the presence of neutral staining granules whose phagocytic activities are integral to subdue the invasion of pathogens.

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All of the following among A-D apply to toll-like receptors EXCEPT A. they bind to PAMPS B. they induce the release of cytokines when activated C. they directly lyse bound pathogens D. when stimulated, they activate the immune system of the body E. there are no exceptions, A-D are all true

Answers

The toll-like receptors do NOT directly lyse bound pathogens (Option C). These protein receptors play fundamental roles in the innate immune system.

Toll-like receptors (TLRs) are single-pass membrane-spanning protein receptors that play fundamental functions in the innate immune system.

TLRs are differentially expressed on the surface of antigen-presenting cells (i.e., macrophages and dendritic cells) in order to recognize evolutionary conserved antigenic domains in different pathogenic microorganisms (e.g. bacteria).

TLRs initiate innate immune responses such as, for example, inflammatory responses, by identifying conserved pathogen-associated molecule patterns (PAMPs).

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One function of the nervous system is to maintain ____________________, or stability within the body

Answers

Answer:

Answer: Maintain body homeostasis with electrical signals.

Explanation:

Your nervous system is your body's command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you. It also controls other body systems and processes, such as digestion, breathing.

4. What are the four components of the Earth system?

Answers

Lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air)

According to the food chain shown, about how much energy from the grasshopper trophic level is transferred to the frog trophic level?

Answers

The amount of energy transferred to frog   is 10% of the energy contained in grasshopper.

This is a representation of energy levels and distribution in a food chain in an Ecosystem. When a group of organism  represent the same level in a food chain, in an ecosystem ,this is trophic level. Food chain represent a linear representation of nutrients and  therefore energy distributions in an ecosystem.

Basically, in an ecosystem, there is always reduction in energy transfer from one trophic level to another by 10%. This is because, as the energy is transferred from the producer (green plants) to the primary consumer, the hopper, only 10% of the available energy will pass through to the hopper because 90% of the energy will be used by the green plants for metabolic and other physiologic  activities.  As this is transferred to the next trophic level, the Frog, this will be  reduced (for the same reasons) so that  10% of the energy received by the grasshopper is transferred to the frog.

Practically, if 100,000Kcal of energy was obtained by hopper from the primary producer,10,000kcal(10%) of 100,000 will be transferred to frog.

This 10% occurs at each trophic levels.

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What are the three general classes of neurons that correspond to the three major aspects of nervous system function

Answers

Answer:
Sensory neurons, motor neurons, and interneurons.

Why isn’t color a very useful property in identifying a mineral?

Answers

Answer:

Generally, color alone is not the best tool in identification because color can be highly variable. Some minerals can occur in a variety of different colors due to impurities in the chemical makeup of the mineral.

Explanation: Hope that's what your looking for.

If 2n=46 for a particular cell, then the chromosome number in each cell after meiosis would be

a. 92
b. 46
c. 23
d. 6
e. none of the above

Answers

Answer:

C. 23

Explanation:

In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).

is SARS a common virus?

Answers

Answer: SARS is not a common virus,  it is a viral respiratory illness that was recognized as a global threat. it is spread through close contact. Although it is a very serious illness, it is rare to get. only eight persons were laboratory-confirmed as SARS cases.

Explanation:

can yall see if im right

Answers

Answer:

Yes you are correct

Explanation:

which is a wildlife species category that state resource agencies may use

Answers

Answer: Large mammals, Small mammals, Upland birds, Waterfowl and wetland birds, Birds of prey.

Wildlife species are defined as undomesticated animal, plant, or organism that grows in the wild and are not introduced to humans. The species that can be used by the state resource agencies are large mammals, small mammals, birds of prey, and waterfowl.

The animals that can be hunted legally must be:

The animal can be used as food and should be useful. The population of the animals should be high. The hunters should have a challenge while hunting them.

Also, some species labeled as endangered must be protected by law. These species are on the verge of getting extinct and are present in the least numbers to harvest.

Thus, the state agencies may use large mammals, small mammals, and waterfowl.

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