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irinina [24]
3 years ago
8

What are the materials used to begin photosynthesis AND what are the products of photosynthesis.

Biology
2 answers:
MakcuM [25]3 years ago
7 0

Answer:

C

Explanation:

Glucose and oxygen are produced in plant cells from carbon dioxide and water during the process of photosynthesis.

STatiana [176]3 years ago
3 0
Materials used to begin photosynthesis are sunlight. Photosynthetic organisms (ex. Plants) need water and CO2 (Carbon dioxide). The products of photosynthesis is oxygen.
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Compared to mammals in colder climates, mammals that live in very hot, dry ecosystems tend to
777dan777 [17]

Answer:

X. Mechanisms and habits that include limit water loss.

Explanation:

Many mammals that live in dry ecosystems tend to have above adaptations because there is a shortage of water in these areas. And of course water is the most essential thing for survival.

3 0
3 years ago
Describe three observations an astronaut might make while viewing Russia at night.(Site 1)
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<span>One observation would be the physical size of Russia compared to other countries, despite a lack of visible borders from space. In addition, part of Russia's outline would likely be obscured by the various clouds and objects in the stratosphere; this would allow the astronaut to view potential cloud and weather patterns on earth. Also, an astronaut could see outlines of Russia's geography such as mountain ranges.</span>
6 0
3 years ago
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What is the genotype at the Q gene?
jenyasd209 [6]
The genotype of the Q gene is homozygous dominant because it has 2 dominant genes and when a genotypes has two of the same type of genes it is homozygous. If it has different genes it is heterozygous. 

hopefully this helps

5 0
2 years ago
You want to determine the likely clinical course and possible complications for a sprinter who had a release for acute compartme
Ket [755]

Answer:

Ask for feeling of Numbness,, Pain,,Use of the affected limb,, Fever

Explanation:

All these tends to rule out the complications of this condition

6 0
3 years ago
Describe how the changes in the temperature of water, during the change of season affect the organisms that live there? Dissolve
mestny [16]

hanges in temperature affect aquatic life. Temperature determines which organisms will thrive and which will diminish in numbers and size. For each organism there is a thermal death point. Also there is a range of temperature of that produces optimal abundance. The effects of temperature upon life of a cold blooded or poikilotherm are profound. Poikilothermic animals, such as fish, are those whose body temperatures follow closely the temperature of their medium.

These animals have coped with temperature problems in different ways. Not only the organism survival, but growth and reproduction of each organism have critical temperature ranges. Each organism must be favored by the proper temperature if the individual or its population are going to survive. For instance, temperature influences enzymatic reactions through hormonal and nervous control to digestion, from respiration and osmoregulation to all aspects of an organism’s performance and behavior.

High and low temperatures that are lethal to individual organism of a species determines the distribution and abundance it’s populations. However, more often the distribution and abundance of populations is determined by less than lethal temperatures interacting with other environmental factors that either tend to favor or not to favor reproduction and growth.

Increased water temperature is an important consideration when toxic substances are present in water. Many substances (i.e. cyanides, phenol, xylene, zinc) exhibit increased toxicity at elevated temperatures. These toxicities and other physiological interactions are also influenced by temperature acclimation or history of the species.

We can gain a clearer understanding of these interactions through consideration of lethal temperature levels. In relation to the survival of individual organisms, the upper and lower lethal temperatures define the total temperature gradient. Within this temperature gradient, there is a range as shown in Figure 4 in which the species can function at or near optimum. In this range, growth and reproduction temperature requirements are met and the species will be found in greatest abundance. Outside the optimum range, there are zones of physiological stress. In these zones, organisms become infrequent because activities are limited more by temperatures that produce discomfort or stress. The period of time an organism can live under physiological stress is a function of how far the temperature is from the lethal level.

Most changes in water temperature as a result of land use activity generally trend upward. An exception is the release of cold bottom water from stratified artificial impoundments that may alter the flora and fauna for many miles downstream from a dam. Most other activities generally raise the temperature of receiving waters with the following effects:
(a) Higher temperatures diminish the solubility of dissolved oxygen and thus decrease the availability of this essential gas.
(b) Elevated temperatures increase the metabolism, respiration and oxygen demand of fish and other aquatic life, approximately doubling the respiration for a 10° C. rise in temperature. Hence the demand for oxygen is increased under conditions where oxygen supply is lowered.
(c) The solubility of many toxic substances is increased as well as intensified as the temperature rises.
(d) Higher temperatures militate against desirable fish life by favoring the growth of sewage fungus and the putrification of sludge deposits, and finally
(e) even with adequate dissolved oxygen, there is a maximum temperature that each species of fish or other organism can tolerate. Higher temperatures produce death. The maximum temperatures that adult fish can tolerate vary with the species of fish, prior acclimatization, oxygen availability and the synergistic effects of other pollutants.

Median Tolerance Limits (MTL)have been reported are shown in the following table. Species have been arranged in the order of heat tolerance. As shown by this table, Goldfish, Bass and Carp are relatively tolerant of high temperatures, whereas Trout and Salmon are more sensitive. These temperatures, however, apply to adult fish. For spawning and hatching of eggs, much lower temperatures are required. Many species spawn only above or below certain temperatures. Several species of fish and their spawning temperature ranges are shown in Figure (Cooper).



7 0
2 years ago
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