QCAA Biology EXAM BUNDLE | VERIFIED|

QCAA Biology Unit 3 Exam Questions and answers, rated A+ What is biodiversity? - -The variety of living organisms in a particular habitat. Built from species, genetic diversity and an ecosystem. How do you determine diversity using species richness? - -Count the number of organisms that belo...

QCAA Biology Unit 3&4 Questions and answers, graded A+ Carrying Capacity definition - -the size of the population that can be supported undefinedly on the available resources and services of that ecosystem. Polygenetic Inheritance definition - -when one characteristics is controlled by 2 or mo...

UNIT 3 - QCAA Exam questions and answers, rated A+ 3.1.1.a - recognise that biodiversity includes - -the diversity of species, habitats and ecosystems. 3.1.1.b - determine diversity of species using measures such as species evenness (relative species abundance) which is a measure of - -the pop...

QCAA ATAR Biology Questions and answers, rated A+ 10% - -Only ______ of the energy is transferred from one level to another. Energy is lost through: -heat -metabolic processes -waste (faeces) Abiotic factors - -Nonliving components of environment: -climate -temp -O2/CO2 conc -soli pH ...

QCAA Biology Unit 1 and 2 Exam Questions and answers, rated A+ explain, using an example, how the arrangement of internal membranes can control biochemical processes - -- the inner membrane folds and creases itself to expand then amount of surface area it has - this is called the cristae - t...

BIOLOGY UNIT 3 AND 4 QCAA. Exam Review Questions and answers, rated A+ Explain how environmental factors limit the distribution and abundance of species in an ecosystem. Limiting factors are aspects of the environment that restrict an organism's ability to live there. Limiting factors can be ...

QCAA Biology Unit 1 Questions and answers, rated A+ Macromolecules - -A very large organic molecule composed of many smaller molecules Four main types of macromolecules - -proteins, carbohydrates, lipids, nucleic acids Chemical composition of a carbohydrate - -C-H-O [Think C₆H₁₂O₆] Po...