What explains the presence in living humans of DNA sections which are identical to DNA
found in Neanderthals who lived 40 000 years ago?

a bathtub full of warm water

Diversity is measured by counting the number and variation of different species of plants, animals, and other organisms that interact within an ecosystem, 1st option.

Diversity is crucial for ecosystem interaction because different species within an ecosystem rely on each other for survival. A diverse ecosystem is better able to withstand disturbances such as natural disasters, climate change, and invasive species.

When there is a loss of biodiversity, it can lead to a disruption of ecosystem services such as pollination, nutrient cycling, and water purification. Therefore, preserving diversity within an ecosystem is essential for the overall health and functioning of the ecosystem.

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Answer:

Estuaries is a water body where freshwater from rivers and streams combines with salt water that is coming from the ocean.

Explanation:

Estuaries is a type of water body that is partially enclosed present at the coastal side where freshwater from rivers and streams combines with salt water that is coming from the ocean. Shallow estuary waters create unique habitats for organisms living there because the presence of brackish water refers to the mixture of fresh water draining from the land and salty seawater. The salinity in water change as you move from inland areas out towards the ocean because the water of inland has less salt in it while water of ocean has huge amount of salt present in it so when we move from inland to the ocean salt concentration increases in it. estuaries provide protection for inland areas by filtering pollutants, prevent shoreline erosion, flooding and storm.

b. More carbon dioxide has been emitted into the atmosphere is correct on  how the use of fossil fuels negatively affect the earth.

Fossil fuels encompass non-renewable energy sources that result from the remains of dead organisms which accumulate for millions of years on the planet's exterior. Electricity generation, heating households and establishments along with powering transportation depends on coal, oil, or natural gas extraction.

These fuels are formed by burying organic substances below sedimentary layers until they transform into fossil fuels through extreme temperature increases within Earth's mantle.

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The physiological variable that is influenced by BOTH sympathetic and parasympathetic nervous system activation is:

c. Cardiac interbeat interval

Both sympathetic and parasympathetic nervous systems can modulate heart rate through their influence on the sinoatrial (SA) node, which is the natural pacemaker of the heart.

The sympathetic nervous system can increase heart rate and contractility, while the parasympathetic nervous system can decrease heart rate and contractility. As a result, cardiac interbeat interval, which is the time between successive heartbeats, can be influenced by both sympathetic and parasympathetic nervous system activation.

Cardiac pre-ejection period and skin conductance, on the other hand, are primarily influenced by sympathetic nervous system activation, while parasympathetic nervous system activation has little effect on them.

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The subcutaneous layer (also known as the hypodermis or superficial fascia) was injured if fat/adipose tissue is observed from a cut on the arm. (Option 2)

If fat/adipose tissue is observed from a cut on the arm, it is likely that the injury has affected the subcutaneous layer. The subcutaneous layer is located below the dermis and consists of adipose tissue and connective tissue.

The subcutaneous layer lies beneath the dermis and is composed of adipose (fat) tissue and connective tissue. It serves as a layer of insulation, energy storage, and padding. If fat/adipose tissue is observed from a cut on the arm, it indicates that the cut has penetrated through the skin layers (epidermis and dermis) and into the subcutaneous layer.

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Complete Question:

which of the following layers were injured if you observe fat/adipose tissue from a cut on the arm?

Answer:

Heat blast

Explanation:

Answer:

coral reefs providing critical habitat and sources of food for tropical fish are slowly recovering, due to successful enforcement of fishing quotas

Explanation:

This is a wrong statement because coral reefs contrary to the statement is not recovering, Over-fishing an destructive fishing,(to meet up with increasing demand) are some of the human impacts  reltively control by  the enforcement.

But,acidification  (eutrophication),  and  mass coral bleaching from global warming  are not restricted by the enforcement  of fishing quotas and  are drastically reducing the population of the reefs.This in turn affecting the survival of the fishes, reducing the population,

Amendment, in government and law, an addition or alteration made to a constitution, statute, or legislative bill or resolution. Amendments can be made to existing constitutions and statutes and are also commonly made to bills in the course of their passage through a legislature.

The Appalachian Mountains were formed due to a continental collision, which might have occurred more than 270 million years ago.

The expression 'plate tectonics' makes reference to the creation of landforms due to Earth's movement.

The Appalachian Mountains were formed due to the collision between different continental plates.

In conclusion, the Appalachian Mountains were formed due to a continental collision, which might have occurred more than 270 million years ago.

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(Option A) A wildfire rages through a large portion of a forest would be likely to make an ecosystem less stable.

The term "natural environment" or "natural world" refers to all naturally occurring, that is, unmanmade, living and non-living phenomena. The phrase is most frequently used to refer to the Earth or specific regions of the Earth.

Environmental change is the alteration or disturbance of the natural environment, most frequently brought on by human activities and ecological processes. Various variables, such as natural disasters, human meddling, or animal contact, might cause changes in the environment.

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Answer:

1. Using the map and the minimal knowledge that Liz has at this point, propose three different hypotheses regarding the sudden high mortality of marine iguanas. Record your answers in the worksheet and post your hypotheses to the 03.01 class discussion board before proceeding to the next question.  (3 points possible)

Hypotheses One:  Iguanas are adapted to hot/warm weather, so the weather changed could have affected them.

Hypotheses Two: There was not enough shelter for the iguanas so they started disappearing.

Hypotheses Three: A new species has come close to where the iguanas live and taken them out.

2. Look at your classmates’ hypotheses on the discussion board. Choose one hypothesis that seems most likely to you. Provide the student name and hypothesis and tell what evidence you would need to support (or refute) it. (3 points possible)   Carter Spiers, Hypothesis 1. there was a lot of rain and it washed at the iguanas away. We would have to dive into the water/ ocean and find iguana bodies to be able to prove that this is true.

3. Given what you know at this point about marine iguanas and the abiotic effects of ENSO, develop two possible directions of research that Liz should pursue to understand exactly why the iguanas suffered such a high mortality. Keep in mind that you need to consider indirect effects. While environmental temperature does change metabolic rates of ectotherms, the iguanas are exposed to a wide range of temperatures as they feed and bask on the lava. Direct mortality in response to a temperature change of a couple of degrees is unlikely.  (3 points possible)

Possible Research Direction One: The climate event caused a lot more rainfall which then made it very hard for the iguanas to reach their food source.

Possible Research Direction Two: The temperatures raised very high causing the iguanas to absorb a extreme about of extra heat, which eventually made them very lazy and stopped defending their self from predators.  

4. Choose one of those directions of research and determine what data you would need to find to support your ideas.  (2 points possible)          Specific data of the extreme amounts of rainfall.

Explanation:

2. Look at your classmates' hypotheses at the dialogue board. Choose one speculation that appears maximum probable to you. Hypothesis 1. there has been of rain and it washed on the iguanas away. We might should dive into the water/ ocean and locate iguana our bodies on the way to show that that is true.

3. Given what you already know at this factor approximately marine iguanas and the abiotic consequences of ENSO, expand  feasible instructions of studies that Liz ought to pursue to apprehend precisely why the iguanas suffered the sort of excessive mortality.

4. Choose one of these instructions of studies and decide what records you'll want to locate to help your ideas. (2 factors possible) Specific records of the intense quantities of rainfall.

Marine iguanas are maximum mentioned for cappotential to feed in shallow, marine waters. They are herbivores and devour marine algae developing alongside rocky sea shore lines and underwater.

Thus it is well explained.

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Answer:

Cellular respiration is a series of chemical reactions that convert the energy in food molecules into energy stored in the molecule ATP. Aerobic respiration requires the presence of Oxygen and releases water and carbon dioxide as waste products.

Explanation:

Answer:

Fungi should be your answer

There are four types of tongue papillae: (1) filiform, which is thin and wired shape and no taste buds, (2) fungiform, which is mushroom-shaped near the middle and with taste buds, (3) foliate, which is leaf-shaped near the sides and with taste buds, and (4) circumvallate papillae, which is whorls at the sides and with taste buds.

ANSWER: TRUE. There are taste buds in the fungiform and circumvallate papillae.

Answer: A.

Explanation: A ligament is a fibrous tissue that connects bone to bone. Usually holds to serve as a structure together and keep them stable.

Answer:

The term that refers to the functions of an organism are cells.

Answer:

i believe its biodiversity  i cant promise anything cause

theres no options but i can tell you that biodiversity is important to the ecosystem

Explanation:

Answer:

I think it's a sorry if its wrong

Answer

It's C, "Forced"

Explanation:

Answer:

C

Explanation:

So, there are 2 different forms that DNA can be found in.

The more common form, where the DNA is loosly scattered.

There is a less common form, however, only found during cell division, which is a compacted form. The DNA is tighly wound in this case.

In the case of chromosomes, DNA is tightly pakced, and not loose.

Now, do they are do they  not have protiens?

Well, heres another question, how does the DNA get compacted?

It has to wrap around histone protiens.

The logn strands of DNA wrap around many histone protiens, until the full length of DNA has been compacted.

So to answer the question, yes, there are protiens found in chromosomes(specificly histone).

This means the answer must be C, since chrosomes are both tightly bound, and contain protein.

Answer:

Answer:

c

Explanation:

The classification system for bacteria has undergone several revisions, and different sources may give slightly different answers. However, based on the most widely accepted classification system, there are 2 kingdoms in the domain Bacteria:Kingdom Eubacteria (true bacteria)Kingdom Archaebacteria (ancient bacteria or archaea)Therefore, the answer is option C, 2.

In the domain Bacteria, there are two recognized kingdoms: Eubacteria and Archaebacteria. Eubacteria includes the vast majority of known bacterial species, while Archaebacteria includes a smaller group of bacteria that are often found in extreme environments such as hot springs, salt flats, and deep-sea hydrothermal vents.So, the correct answer is C, 2.

Remember that the blood types that exist refer to the antigens present on the membrane of the erythrocytes. If a person has the A antigen on the surface of their erythrocytes, their blood type will be type A. Analogously to type B blood. On the other hand, there are people who present both antigens (they are heterozygous for the antigens), and their blood type is AB. Those who do not have any antigens will have an O blood type.

Now, an organism is homozygous for a gene when the two alleles are the same. An organism is heterozygous for a gene when the two alleles are different.

Thus, consider the following information:

Phenotype Genotypes



Type A AA or AO

Type B BB or BO

Type AB AB

Type O OO

Applying what was said above to the previous table, we can conclude that the correct answer is:

Answer:genetic information that a person has, so as to predict or better understand the traits or diseases that she or he may develop.

Explanation:

Answer:

4 the cube with many circles in it or box C

3 objects that float paperclip, feather, air molecules, sticker  objects that sink book, phone, human, plate.

2 ?

Explanation:

Answer:

The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.

On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.

The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.

Answer:

C. One amino acid would change due to a substitution.

Explanation:

The amino acid sequences before and after the mutation are given at the top. The one on the left has the codon CAG while the one on the right has the codon CGG. The rest of the sequences are identical to eachother. This is a subsitution mutation, as only one letter changed.

Using the codon chart, you can see that CAG would make the amino acid Glutamine, while CGG would make the amino acid Arginine. Therefore, the answer is C.

Answer:

It is neither inaccurate nor precise.

Answer:

Explanation:

Answer:

give killua brainliest

Explanation: