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3 years ago

9

Evidence of the endosymbiotic theory was found in the _____. nucleus and cytoplasm, mitochondria and endoplasmic reticulum, mito

chondria and chloroplasts nucleus and chloroplasts

2 answers:

Orlov [11]3 years ago

5 0

The Endosymbiotic theory was found in the Mitochondria as well as the Cloroplasts.

mylen [45]3 years ago

5 0

The answer would be mitochondria and chloroplasts hope this helped!!

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Use the key to identify each species. Write the letter of each species (A to G) in the correct

sveticcg [70]

Dichotomous keys are useful to identify organisms according to their morphological traits. The given key provides enough macroscopic morphological traits to identify these Arachnida species.

-----------------------------------------------

A dichotomous key is a significantly useful tool to classify organisms. The key provides an easy and fast way for identification by describing different morphological traits, leading you to the correct taxonomic classification.

The key provides morphological descriptions about different taxonomic groups in an easy way to identify these traits in your individual.

The term <em>dichotomous</em> refers to how information is provided. You will always have two options (a and b, or 1 and 2), and you will have to choose one of them according to the characteristics of your organism.

In the exposed example, as the key provides morphological traits, we will separate the organisms<u><em> into two groups</em></u>:

the group that has the trait
the group that does not have it.

By recognizing each trait in each of the individuals, we will get to identify the species.

1

(a) Abdomen <u>with a </u><u>tail</u> --------------------------- The only option is E

(b) Abdomen <u>without a </u><u>tail</u><u> </u>---------------------- All the others A, B, C, D, F, G

2 ---<em>Only for group A, B, C, D, F, G---</em>

(a) <u>Legs</u><u> much longer </u>than abdomen and cephalothorax ----------A and G

(b)<u> </u><u>Legs</u><u> not much longer</u> than abdomen and cephalothorax----- B, C, D, F

3 ---<em>Only for group A, G---</em>

(a) <u>Hairs</u> on the legs -----------------------------------The only option is A

(b) <u>No hairs</u> on the legs ------------------------------ G

4 ---<em>Only for group B, C, D, F---</em>

(a) Cephalothorax or <u>abdomen</u><u> segmented</u> ----------------The only option is D

(b) Cephalothorax or a<u>bdomen not segmented</u> ----------- B, C, F

5 ---<em>Only for group B, C, F---</em>

(a) Abdomen and cephalothorax <u>of the same size</u> --------The only option is F

(b) Abdomen and cephalothorax <u>of different size</u> -------B, C

6 ---<em>Only for group B, C---</em>

(a) Body <u>covered with long</u><u> hair</u><u> </u>----------------------------------The only option is C

(b) Body<u> </u><u>not covered with</u><u> hair</u> ------------------------------------B

A → <em>Tegenaria domestica</em>

B → <em>Ixodes hexagonus</em>

C → <em>Tyroglyphus longior</em>

D → <em>Chelifer tuberculatus</em>

E → <em>Abaliella dicranotarsalis</em>

F → <em>Poecilotheria regalis</em>

G → <em>Odielus spinosus</em>

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Related link: brainly.com/question/2235448?referrer=searchResults

brainly.com/question/17365165?referrer=searchResults

4 0

3 years ago

A white woman says she is not racist but avoids sitting near Black individuals. She has

lisov135 [29]

I believe it is A
Please make this the brainliest answer

6 0

2 years ago

What is used during dissection what is used to feel

e-lub [12.9K]

We have that the used during dissection what is used to feel the tissue without using your hand to touch the specimen is the

T-pins

From the question we are told

What is used during dissection what is used to feel

the tissue without using your hand to

touch the specimen?

A. Scalpel

B. Scissors

C. poker

D. T-pins

Generally Different tools have different applications to and uses during dissection.

Scalpel

This is a very sharp tool made of metal,Usually used to cut through specimens

Scissors

This a tool designed as a two metals sharpened at one end that faces each other, this tool aids in cutting

T-pins

This is a tool used commonly in dissections not to cut but rather to hold firmly in lace parts of specimen.This in a way stops the tool user from touching the specimen

Therefore

The used during dissection what is used to feel the tissue without using your hand to touch the specimen is the

T-pins

For more information on this visit

brainly.com/question/16172865?referrer=searchResults

4 0

3 years ago

Investigate substances containing carbon or oxygen that relate to biological processes. Explain their main function in those pro

Scrat [10]

Answer:

I hope this helps!!!1

Explanation:

Carbon and oxygen are independent of each other but are very closely connected as well as interdependent. The following article will cover information that will help you understand the carbon-oxygen cycle in detail.

Life on planet Earth continues due to the presence of organic as well as inorganic nutrients present in nature. These nutrients need to be continuously recycled. If this doesn’t happen, all the nutritive resources in the world will get extinguished completely. No nutrients means no life on Earmeano, for the life cycle of every living being, unicellular or multicellular organism to sustain, recycling the nutrients is very important. One of the important cycles is the carbon-oxygen cycle.

The Process of Carbon-Oxygen Cycle

There are four steps involved in the completion of this cycle. These methods are discussed below:

Photosynthesis

Plants undergo photosynthesis which helps them produce energy and food for themselves. During this process, plants take in carbon dioxide (CO2) and absorb water (H2O) with the help of their roots. The chlorophyll present in the leaves and the energy from the sun, help convert CO2 and H2O into Oxygen O2, sugar, and water vapor. Oxygen (O2) is released by plants as a by-product of the atmosphere.

Formula for Photosynthesis

CO2 + H2O + Light ———-> (CH2O) + O2

The carbon dioxide from air and water from the soil in presence of light (energy) is taken by the plants and converted into carbohydrates and oxygen as by-products.

Respiration

Just as plants carry out photosynthesis, animals carry out respiration. Respiration occurs when animals take in oxygen from the air along with simple sugars from their food. This helps in the release of carbon dioxide, water, and energy from the animal body. During cellular respiration, animals require O2 while inhalation. When they exhale the waste product of cellular respiration, they release CO2 into the atmosphere again.

Formula for Respiration

(CH2O) + O2 ———-> CO2 + H2O + Energy

The carbohydrates taken from food like plants or carbon-based compounds along with oxygen are converted to carbon dioxide which is released into the air along with water and energy during respiration.

Combustion

It is a process of burning that occurs naturally in nature. For example, volcanic eruptions are natural combustion processes where carbon dioxide is released into the atmosphere due to burning. Nowadays, many environmental pollutants cause an increase in the amount of CO2 in the air. These include cars, factories, burning of woods, coal, nuclear energy, gas, etc. This irresponsible combustion and release of excessive carbon dioxide and other harmful gases in the environment is the major contributing factor to today’s global warming.

Decomposition

After the death of any living organism, i.e., unicellular or multicellular organism, it gets decomposed. This decomposition means insects, fungi, and bacteria (together called decomposers), help in breaking down the cellular components of the dead organism into its basic elements. These elements include water, calcium, nitrogen, carbon, and oxygen. Thus, decomposers help in the release of oxygen and carbon dioxide back into the atmosphere as their metabolic waste products.

The entire cycle can be summarized as, plants taking in carbon dioxide and releasing oxygen during photosynthesis. This oxygen released is taken up by animals who release carbon dioxide after carrying out respiration. Thus, the recycling of carbon and oxygen in the atmosphere will continue as long as respiration and photosynthesis occur. This also proves that to sustain life, plants are very important as they are the major contributors to the amount of oxygen present in the atmosphere. Although both cycles occur independently, they are, in a small way, interconnected to each other.

8 0

2 years ago

Simplify the fillowing without using a calculater<br><br><img src="https://tex.z-dn.net/?f=%28%20%5Csqrt%5B2%5D%7B3%7D%20%7B%3F%

Aleks04 [339]

Answer:

6

Explanation:

3 0

3 years ago