what is the optic disc (blind spot, optic papilla)?

Option C: The type of nucleus that breaks apart during radioactivity is an unstable nucleus.

Option C: Nonconformity exists if an erosional surface separated an igneous rock layer from a sedimentary rock layer.

Stomach stones were swallowed by reptiles and acted as a form of mechanical digestion, helping to break down tough plant material or facilitate the digestion process. Radioactivity occurs when the nucleus of an atom is unstable and undergoes decay, emitting radiation in the process.

A nonconformity exists when an erosional surface separates an igneous rock layer from a sedimentary rock layer. It represents a time gap in the geological record where erosion removed rock layers before new sediments were deposited, resulting in the unconformity.

Stromatolites are the structures that are formed by the trapping and binding of sediment by microbial communities, primarily cyanobacteria. Stromatolites are some of the oldest known fossils and provide valuable insights into early life on Earth.

To know more about sedimentary rocks, refer:

https://brainly.com/question/18733610

#SPJ4

Answer:

Habitats

Habitat is the place where an organism resides. Habitat is of different types such as terrestrial habitat, marine habitat, Estuarine habitat, freshwater habitat.

Answer:

7711.07

Explanation:

Answer:

7711.07029 grams

Explanation:

rounded would be 7711.07 g

Answer:

Appendicular

Explanation:

The Appendicular Skeleton includes:

The upper limbs include the bones of the arm (humerus), forearm (radius and ulna), wrist, and hand. The only bone of the arm is the humerus, which articulates with the forearm bones–the radius and ulna–at the elbow joint. The ulna is the larger of the two forearm bones.

Answer:

Heterozygous

Explanation:

Heterozygous is having two different alleles for a particular gene.

hope this helped :)

Answer: The Spine

Explanation:

The kidneys are situated immediately inferior and deep to the ribs body part. That is option C.

The kidney is defined as the major organ of the urinary system of the body which is located retroperitoneal region of the abdomen (that is , behind the peritoneum).

The kidneys are situated below the diaphragm, one on either side of the spine. They are just below the rib cage.

Therefore, the rib cage can be said to be superior to the kidney organs in the abdomen.

Learn more about kidney here:

https://brainly.com/question/28063794

#SPJ1

Answer:Rhizobium

Explanation:

Leguminous plants belong to the family Fabaceae. These plants have a symbiotic association with the soil bacteria called the Rhizobium.

Answer: Each atom of the period table is in order of increasing atomic number.

Explanation: I hope this helps! :)

A decrease in the population of T-lymphocytes would impair all aspects of an immune response.

T-lymphocytes play a crucial role in cell-mediated immunity. They are responsible for recognizing and destroying infected cells, activating other immune cells, and regulating the immune response. A decrease in the population of T-lymphocytes would impair all aspects of the immune response, making the body more susceptible to infections and cancer.

There are two types of T-lymphocytes: helper T-cells and cytotoxic T-cells. Helper T-cells stimulate the immune system by activating other immune cells, while cytotoxic T-cells directly kill infected cells. A decrease in either type of T-cell population would have detrimental effects on the immune system. Various factors, such as viral infections, autoimmune diseases, and certain medications, can cause a decrease in T-cell population. It is crucial to maintain a healthy T-cell population to ensure optimal immune function.

Learn more about T-lymphocytes here:

https://brainly.com/question/1271207

#SPJ11

The correct response to the question is C) The exotic grass competes for resources with native species.

Ecologists make an average of 72,600 dollars per year. Employment trends and job growth are typical. Ecologists often make greater money than in other environmental science professions. Typically, ecologists advise decision-makers or conduct baseline investigations with in office or out in the field.

Mathematics not only enables the development complex statistical techniques that ecologists employ to evaluate hypotheses and gain understanding from intricate patterns in empirical data, but also enables ecologists to explore different issues and produce theories regarding the way the natural world functions.

To know more about Ecologist visit :

https://brainly.com/question/54001

#SPJ1

Answer:

A gain or loss of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. ... People with Down syndrome typically have three copies of chromosome 21 in each cell, for a total of 47 chromosomes per cell.

Answer:

it changes into ice

Explanation:

When water loses heat, it begins to lose heat energy and the water begins to cool. If the water is not heated again, it may cool and turn into ice

Answer:Multicellular and Eukaryotic are traits that can be true for every Kingdom past Protists on this branching tree diagram. These are the traits which were evolved that Protists just missed, plants and fungi got these traits and transferred them to their descent as well.

Explanation:

Explanation:

Examples of genetic factors could include large breed cattle and species of grass affecting growth of organisms.

Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.

Answer:

59 is false and 60 and true

Explanation: I think it is right sorry if it is wrong. I hope this helps

Answer: 1) True 2) True

Explanation:

Answer:

because protecting an ecosystem would be protecting species in return that live in that ecosystem, and if you focus on protecting the individual species, then their ecosystem might die leading them to die because there is a whole lot of risk OF DIE.

Explanation: mr clean

Answer:

By matching a suspect’s DNA with DNA from a suspect’s distant relatives who have taken a commercial at-home DNA test, law enforcement can zero in on a perpetrator.

A hiatal hernia is a protrusion of a portion of the stomach through the diaphragm.

Hiatal hernia is a condition which arises due to a rise in blood pressure. In this condition the stomach bulges up through an opening in the diaphragm. This condition interjects with the normal mechanism of reflux that occurs through the sphincter, which is present in the esophagus. This condition usually occurs when there is excessive pressure around the stomach due to activities like repeated vomiting. This condition is usually not fatal, however, in rare and serious cases this condition can effect the esophagus and cause esophageal cancer. This condition can also lead to leakage of stomach acids and cause ulcers in the alimentary canal. In serious cases of hiatal hernia the blood flow to and from the intestine can also be effected. Serious cases need surgical treatment.

Learn more about hiatal hernia here-

https://brainly.com/question/6180451

#SPJ4

Answer:

I hope this helps you

Explanation:

ADP is combined with a phosphate to form ATP in the reaction ADP+Pi+free energy→ATP+H2O. The energy released from the hydrolysis of ATP into ADP is used to perform cellular work, usually by coupling the exergonic reaction of ATP hydrolysis with endergonic reactions.

The energy releasing equation, also called enthalpy is calculated using the formula: ΔH = Hfinal - Hinitial

Enthalpy refers to the heat content of a system combining the energy of the system with the product of its pressure and volume. When a chemical reaction or physical process occurs energy is emitted in the form of heat.

The equation used to determine the amount of heat released by a system during a reaction or physical process is known as the energy release equation.

Learn about enthalpy here https://brainly.com/question/14047927

#SPJ6

The embryo sac ends up with 8 haploid nuclei by the process of double fertilization. This process results in the embryo sac having eight haploid nuclei: the egg cell, the two polar nuclei, and the two sets of three haploid nuclei from the two sperm cells.

The embryo sac is an organ in plants that contains the female gametophyte. The process of double fertilization results in the formation of the endosperm, which is a critical source of nutrients for the developing embryo.The process begins with the pollen tube entering the ovule through the micropyle and eventually reaches the embryo sac. Once the pollen tube reaches the embryo sac, the sperm cells are released.

One sperm cell fuses with the egg cell to form the zygote, which is the first cell of the next generation of the plant. The other sperm cell fuses with two polar nuclei present in the central cell of the embryo sac, forming a triploid nucleus (3n). The triploid nucleus then divides, forming the endosperm, which nourishes the developing embryo.

To know more about haploid nuclei visit:

https://brainly.com/question/14133947

#SPJ11

The last one is right answer i think

The evolution of the cuticle in plants was a key adaptation to terrestrial living because it helps plants to avoid drying up.

Thus, the correct option is d. helps plant to avoid drying up.

In plants, the cuticle is a protective layer of waxy, hydrophobic substance produced by the epidermal cells. It is the layer of tissue that separates the aerial parts of the plant from the outside environment. It serves as a barrier to protect the plant from desiccation, UV radiation, and environmental stresses.The cuticle is thicker on leaves and shoots of plants that grow in dry environments, where the risk of water loss is greater.

The cuticle also helps to minimize water loss from the plant by limiting the amount of water that escapes from the plant's tissues by evaporation.Plants are considered the first organisms to live on land, and the evolution of the cuticle was a critical step in their transition from an aquatic to a terrestrial lifestyle. Without the cuticle, plants would have been unable to survive on land, as they would have dried out and died from desiccation.

To know more about evolution visit  :

https://brainly.com/question/31440734

#SPJ11

Answer:

The more you pull the throttle back the more gas you will use powering the engine to make kinetic energy which will make the dirt bike move faster.

Explanation:

The probability of having an affected child when v-1 and v-11 mate is dependent on the genetic disorder that they carry.

When two people who carry the same genetic disorder have a child, the probability of the child inheriting the disorder depends on the mode of inheritance of the disorder. Genetic disorders can be inherited in three main ways: autosomal dominant, autosomal recessive, and X-linked dominant or recessive. In autosomal dominant inheritance, only one parent needs to carry the affected gene for the child to have a 50% chance of inheriting the disorder.

In autosomal recessive inheritance, both parents need to carry the affected gene for the child to have a 25% chance of inheriting the disorder. In X-linked inheritance, the probability of a child inheriting the disorder depends on the sex of the child and the parent carrying the affected gene. Without the information about the mode of inheritance and the genetic disorder that v-1 and v-11 carry, it is impossible to provide an accurate probability of having an affected child when they mate.

Learn more about inheritance here:

https://brainly.com/question/14930526

#SPJ11

Answer:

arctic, tropical, polar and equatorial.

Explanation:

Arctic air masses form in the Arctic region and are  cold. Tropical air masses form in low-latitude areas and are moderately warm. Polar air masses take shape in high-latitude regions and are cold. Equatorial air masses develop near the Equator, and are warm.

These proteins allow water molecules to pass through the membrane freely.

A molecule as highly polar as water cannot diffuse through a lipid bilayer. Osmosis, which is the process of water diffusing across a membrane, is made possible by the protein aquaporin. Water molecules can freely move through the membrane thanks to the channels that these proteins have.

The aquaporins (AQPs) are a family of integral membrane proteins that are essential for regulating transcellular water movement in a variety of body tissues. With regard to tissue water permeability and cellular response to osmotic stress, AQP1 plays a mediating role.

To know more about osmosis or related concepts you may visit the link which is:

https://brainly.com/question/147853

#SPJ4

Answer:

Photosynthesis is the process through which green plants (mainly) transform solar energy into useful chemical energy. Plants require energy to grow, reproduce, and defend themselves. Excess photosynthetic energy is stored in plant tissue as starch. Starch is a powdery white material. It stores glucose, which plants utilize for energy. The presence of starch in a leaf is conclusive proof of photosynthesis. This is due to the fact that starch production necessitates photosynthesis.

Explanation:

1. Place one of the plants in a dark room for 24 hours; place the other one on a sunny windowsill.

2. Wait 24 hours.

3. Fill the beaker or jar with ethyl alcohol.

4. Place the beaker or jar in a saucepan full of water.

5. Heat the pan until the ethyl alcohol begins to boil.

6. Remove from the heat.

7. Dip each of the leaves in the hot water for 60 seconds, using tweezers. 8. Drop the leaves in the beaker or jar of ethyl alcohol for two minutes (or until they turn almost white).

9. Set them each in a shallow dish.

10. Cover the leaves with some iodine solution and watch.

The hot water kills the leaf, while the alcohol degrades the chlorophyll, removing the leaf's green hue. When iodine is applied to the leaves, one will turn blue-black and the other will turn reddish-brown. Iodine is a starch indicator that becomes blue-black when it comes into contact with it. The leaf that was exposed to light turns blue-black, indicating that it has been photosynthesising and making starch.