Illustrate adaptation to terrestrial life, Biology

Assignment Help:

Q. Why can the allantois be considered an adaptation to terrestrial life?

The allantois is an adaptation to dry land because in embryos of oviparous terrestrial beings like birds and reptiles, the metabolic residuals cannot be immediately excreted to the aquatic surrounds (as amphibian and fishes larvae do). It was essential then for the appearance of a structure capable of storing the embryonic excretes until hatching.


Related Discussions:- Illustrate adaptation to terrestrial life

What is oxytocin receptors, Which of the following serves as an actuating s...

Which of the following serves as an actuating signal, or as part of an actuating signal, in a positive feedback system? A. Blood plasma levels of PTH (Parathryroid Hormone).

Growing roots from different parts of plants, Growing roots from different ...

Growing roots from different parts of plants Secure a box of sand and place it away from direct sunlight. Wet the sand thoroughly and keep it moist. Plant the following thi

What are the hydrophobic molecules, Q. What are the hydrophobic molecules (...

Q. What are the hydrophobic molecules (or hydrophobic molecular regions)? What are the hydrophilic molecules? How can they be characterized in relation to their polarity? Hydro

Explain amylopectin, Amylopectin Amylopectin forms a branched structure...

Amylopectin Amylopectin forms a branched structure with about 30 glucose units in a chain among branches. There are usually slightly more  'outer' unbranched chains (called A-c

What are the similarities in cloning and selective breeding, Similarities ...

Similarities  in cloning and selective breeding cloning (not transgenesis) and selective breeding both transfer whole genome both selective breeding and cloning have t

Is the bone marrow made of osseous tissue, Q. In which bones can bone marro...

Q. In which bones can bone marrow chiefly be found? Is the bone marrow made of osseous tissue? Bone marrow can mainly be found in the internal cavities of flat bones, like the

Define the term - dna polymerase, Which of the following best describes the...

Which of the following best describes the reasons why the sliding clamp is able to confer processivity on DNA polymerase and not DNA primase? A. The sliding clamp coats the tem

Define changes in food due to concentration process, Define Changes in Food...

Define Changes in Food due to Concentration Process? Obviously concentration that exposes food to 100°C or higher temperatures for prolonged periods can cause major changes in

Three and four kingdom classification, Three and Four Kingdom Classificatio...

Three and Four Kingdom Classification The two-kingdom classification, while solving many of the problems of classification, failed to establish clear-cut distinction between p

Male reproductive disorders-aplasia of epidydimis, Aplasia of epidydimis ...

Aplasia of epidydimis This condition is seen in only 1 or 2 % of young bulls and is marked by absence of one (more common) or both epididymis. Bulls having a single epidydimis

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd