Ask Question, Ask an Expert


Ask Biology Expert

Answer the following problems:

problem1)a) Describe briefly how cephalochordates have adapted to their surroundings?

b) Mention at least four significant affinities between echinoderms and chordates.

problem2) Briefly describe the following terms.

i) Holostyly

ii) Diphycercal tail

iii) Swim bladder

iv) Living fossils

v) Neoteny

problem3)a) Where was the Archaeopteryx discovered? How did this fossil prove that birds share a common ancestory with the reptiles?

b) Describe the adaptation in bats to flying.

problem4)a) Describe keratinization in terrestrial vertebrates.

b) State the differences between digestive system of herbivores and carnivores.

problem5)a) Briefly discuss the mechanism of pulmonary respiration in frog.

b) prepare short note on foramen of Panizza.

problem6) prepare brief notes on:

i) Kidney blood circulation

ii) Types of mammalian uteri.

problem7)a) What are pit organs in reptiles? How do vipers and boas locate the prey?

b) Briefly prepare the functions of the following hormones.

i) Adrenocorticotropic hormone

ii) Parathormone

iii) Aldosterone

iv) Testosterone

v) Progesterone.

problem8)a) describe the term ‘instinct’ and describe how instinctive behaviour develops.

b) Describe the phenomenon of ‘evolution of behaviour’.

problem9)a) Describe territorial behaviour and dominance hierarchy. How are these behaviour helpful in organizing vertebrate social organizations?

b) Mention two most significant benefits and two disadvantages of social life in animals.

problem10)a) Describe the mechanism of bioluminescence.

b) Describe the various ways by which limbless animals move.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M92843

Have any Question? 

Related Questions in Biology

Experiment answer sheetsummary of activities for week 6

EXPERIMENT ANSWER SHEET SUMMARY OF ACTIVITIES FOR WEEK 6 EXPERIMENT ASSIGNMENT • Experiment 6 Exercise 1 - Monhybrid Crosses • Experiment 6 Exercise 2 - Dihybrid Cross • Experiment 6 Exercise 3 - Inheritance of Human Tra ...

1 the results of the study of the occurrence of

1. The results of the study of the occurrence of tuberculosis (TB) in a village in Malawi are given in the table below. All individuals in the village were examined during two surveys made two years apart. Assume that th ...

Discuss the following1think about how how the cellular

Discuss the following: 1. Think about how how the cellular processes of respiration and photosynthesis are opposite reactions. Now consider that, respiration releases that energy for cellular use. Photosynthesis uses lig ...

Review scientific articlewrite one page bullet points

Review scientific article Write one page bullet points format about scientific article. Article: Desert hedgehog is a mammal-specific gene expressed during testicular and ovarian development in a marsupial by William A O ...

Demonstrate your understanding of the phenotypic expression

Demonstrate your understanding of the phenotypic expression of genes based on modes of inheritance. Explain the evolutionary significance of different modes of inheritance; for example an autosomal dominant allele which ...

1 erythropoietic protoporphyria epp is a defect in heme

1. Erythropoietic Protoporphyria (EPP) is a defect in heme biosynthesis that is inherited with the X-linked dominant allele E. The X-linked recessive allele e does not contribute to EPP. Colon cancer susceptibility is in ...

Human biologydiscussion 1- identify and compare the two

Human Biology Discussion 1- Identify and compare the two major cardiovascular circuits in the human body. Include the purpose of each and the organs involved. Do not cut and paste information from the text or other sourc ...

1what are the components of the cardiovascular system list

1. What are the components of the cardiovascular system? List them. 2. List two functions of the cardiovascular system. 3. Fill in the blank. Blood never leaves the blood vessels and does not exchange substances directly ...

Assignment- applicationyou are responsible for creating

Assignment- Application You are responsible for creating your own answers. I have given you the information you need in previous lectures (from what I wrote on the board) for you to answer the questions. Also, some of th ...

Biologysickle cell disease1describe the disease and its

Biology Sickle Cell Disease 1. Describe the disease and its genetic basis. 2. Explain how this disease is inherited and why it is not always inherited. 3. Why is genetic testing controversial?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate