Answer:
Chlorophyll is a green pigment found in chloroplast in plants. It absorbs sunlight during the process of photosynthesis. It is a chelate molecule. In a chelate molecule a central metal ion forms bonds with a large organic molecule made of carbon, hydrogen and other elements like nitrogen or oxygen.
In chlorophyll, magnesium is the central metal ion and it is bonded to a large organic molecule called as porphyrin. Porphyrin constitutes four nitrogen atoms to which the central magnesium is bonded in square planar arrangement. Since chlorophyll is responsible for the green color of the leaves, more the green color more the chlorophyll content and more is the nitrogen content. Hence, chlorophyll meter measures this green light and finds out if the plant needs more or less nitrogen.
Answer:
The heart is either superior to the urinary bladder or midline, but I’d go with superior.
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They begin to form about 3.8 billion years ago
The mouse, because it is an endotherm and therefore its basal metabolic rate is higher than the ectotherm lizard's standard metabolic rate.
<h3>What are endotherms and ectotherms?</h3>
Animals classified as ectotherms and endotherms employ several techniques to control body temperature.
Endotherms are recognized as warm-blooded creatures, whereas ectotherms are also referred to as cold-blooded creatures. Ectotherms and endotherms vary primarily in that endotherms control their body temperatures by sustaining bodily functions, but ectotherms depend on external sources like sunlight to do so. Ectotherms include invertebrates, fish, amphibians, and reptiles while endotherms include mammals and birds.
Learn more about endotherm and ectotherm animals here:
brainly.com/question/2500845
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