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#Question id: 11103


A key mechanism of gas transport through the tracheal system is

#7. System Physiology – Animal
  1. muscular contraction.
  2. the scaphognathite.
  3. diffusion.
  4. spiracle size.
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TLS Online TPP Program

#Question id: 10527

#6. System Physiology – Plant

Based on their feeding behaviors, three major types of insect herbivores can be distinguished, which evades the constitutive defense;

A) Phloem feeders                                                                    i) caterpillars, grasshoppers, and beetles

B) Cell-content feeders                                                            ii) aphids and whiteflies

C) Chewing insects                                                                    iii) mites and thrips

Correctly match the feeding behaviour with its insects;

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#Question id: 4797

#8. Inheritance Biology

Non allelic genotype aa governing white phenotype with recessive epistatic over non allelic gene B for red phenotype Which of the following cross would produce 25 % white phenotype in their offspring? 

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#Question id: 3254

#11. Evolution and Behavior

Consider a single locus with 2 alleles which are at Hardy-Weinberg equilibrium. If the frequency of the heterozygous genotypes is 0.42, what is the frequency of one homozygote in the population?

TLS Online TPP Program

#Question id: 2096

#2. Cellular Organization

Movement of phospholipids from one leaflet to the other

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#Question id: 3430

#11. Evolution and Behavior

The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by