Answer - D. Were in Search for food to eat.
Reasoning - As ice age and resistant of water became changing in ponds and lake the resource of food started to deplete so evolution became a evolving for creatures aka reptiles.
Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes.
Explanation:
The ciliated simple columnar epithelium is a tissue that would line the uterine tubes and function as a conveyor belt to help move a fertilized egg toward the uterus. The ciliated columnar epithelium transfers mucus and constituents through cilia and is originate in the upper respiratory area the fallopian tubes, the uterus, and principal part of the spinal cord. It is the main objective of contamination for common cold illnesses.
<h2>Down Syndrome</h2>
Explanation:
Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21
- Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21
- Down syndrome is usually caused by an error in cell division called nondisjunction which results in an embryo with three copies of chromosome 21 instead of the usual two
- Prior to or at conception, a pair of 21st chromosomes in either the sperm or the egg fails to separates
- With development in embryo the extra chromosome is replicated in every cell of the body;this type of Down syndrome which accounts for 95% of cases is called trisomy 21
- Maternal age is the only factor that has been linked to an increased chance of having a baby with Down syndrome resulting from nondisjunction;here environmental agents such as drugs, chemicals, and radiation act as mutagens which induce mutation in the fetus
Answer:
मैं इसे थोड़ा कुछ हटके तुम्हें बता रही हूं फूड चेन में क्या होता है कि ना जैसे इसमें तुमने फूड वेब के बारे में पूछा है मैं तुम्हें फूड चेन के बारे में बता रही हूं यह इकोसिस्टम का ही एक पाठ होता है तू ट्रेन में जैसे बेस्ट एग्जांपल है कि घास घास खाता है ग्रास है पर को फ्रॉक खाता है फ्रॉक को उसने खाता में कोई गर्ल खाता है जल के बाद वह जो भी चीज खाता है ना तो वह सब चीजें नाड़ी कंपोज हो जाती हैं पूर्व में क्या होता है इंटरकनेक्शन रहता है कुछ चीजों में और जो तुमने डायग्राम भेजा है वह डायग्राम एनसीईआरटी बुक में है क्लास 8 की तो यू कैन डू फॉर द डायग्राम एंड और उसे देखने के बाद अच्छा लगे तो follow us
