Bantuan Tugas Biologi

gradient. Nests of loosely arranged sticks, rocks, or dirt are cooler in temperature at the bottom where the egg contacts the nesting material.Such nests also act as humidity regulators by allowing rain to drain into the bottom sections of the nest so that the eggs are not in direct contact with the water.. As the water that collects in the bottom of the nest evaporates, the water vapor rises and is heated by the incubating bird , which adds significant humidity to the incubation environment. In artificial incubation programs,aviculturists remove eggs from the nests of parrots and incubate them under laboratory conditions. Most commercial incubators heat the eggs fairly evenly from top to bottom,thus ignoring the bird's method of natural incubation, and perhaps reducing the viability and survivability of the hatching chicks. When incubators are not used, aviculturists sometimes suspend wooden boxes outdoors to use as nests in which to place eggs. In areas where weather can become cold after eggs are laid, it is very important to maintain a deep foundation of nesting material to act as insulator against the cold bottom of the box. If eggs rest against the wooden bottom in extremely cold weather conditions , they can become chilled to a point where the embryo can no longer survive.Similarly, these boxes should be protected from direct sunlight to avoid high temperatures that are also fatal to the growing embryo. Nesting material should be added in sufficient amounts to avoid both extreme temperature situations mentioned above and assure that the eggs have a soft, secure place to rest. 21. What is the main idea of the passage? (A) Parrot eggs are difficult to incubate in laboratory conditions. (B) Aviculturists struggle to replicate natural incubation methods for parrot eggs. (C) The survival of parrot chicks depends on humidity and temperature control. (D)Wooden boxes are an effective alternative to natural nests for parrot eggs. 22. According to the passage, how do nests in the wild help regulate humidity? (A) By allowing water to evaporate from the top of the nest (B) By using nesting material that absorbs water (C)By letting rainwater drain to the bottom, where it evaporates and creates humidity (D)By maintaining a uniform temperature in all parts of the nest 23. What does the word "gradient" in the first paragraph most likely mean? (A) A process of incubation (B) A consistent change in temperature 24. Where in the passage is the information about how nests protect eggs from direct contact with water?

Ciri suatu molekulprotein adalah: 1) mengandung unsur N 2) berat molekul rendah 3) dapat mengion sebagai basa

ilmu biologi terapar yang mempelajari karakteristik suara organ suara, dan fungsi suara, serta manfaat suara pada hewan disebut Biooptik Bioakustik Biomekanik

ketika tubuh dalam keadaan istirahat semua otot dan organ lain juga dalam keadaan relaks adalah salah satu contoh dari prinsip kerja biomekanika berdasarkan Hukum I Newton Hukum II Newton Hukum III Newton

Teori sel diawali dengan pernyataan bahwa sel merupakan unit dasar bagi __ A. hewan B. semua makhluk hidup C. organisme prokaroit D virus

Bioteknologi merupakan bidang ilmu yang erat kaitannya dengan modifikasi atau maniputes makhluk biologi dengan tujuan memberikan solusi yang sedang dihadapi, melalui rekayasa DNA dikenal juga dengan istilah Select one: a. sequensing DNA b. rekombinan DNA

estion 1 yet answered ked out of 1 .00 Flag question Mengapa Escherichia coli sering digunakan dalam industri bioteknolog untuk produksi protein terapeutik Select one: a. Sistem ekspresi yang sederhana dan efisien b. Membutuhkan waktu lama untuk pertumbuhan c. Mampu melakukan glikosilas protein d. Produksi protein terbatas pada skala laboratorium e. Biaya produksi tinggi

upaya terkoordinasi dari otot, tulang, dan sistem saraf untuk menjaga keseimbangan postur, dan keselarasan saat merawat pasien disebut Biomekanika Biokimia Prinsip dasar mekanika tubuh dalam

Lingkungan dalam sistem dapat dibagi menjadi dua jenis lingkungan. Lingkungan yang berada di luar batas-batas sistem disebut dengan lingkungan __ A. di luar jangkauan sistem B. di dalam jangkauan sistem C. luar sistem D. dalam sistem

3. Apa yang dimaksud dengan uji organoleptic ; dan jelaskan yang disertai dengan contoh!!!