SC/NSC
DBE/2023
SECTION A
QUESTION 1
1.1
Various options are provided as possible answers to the following questions.
Choose the answer and write only
the letter (A-D) next to the question
numbers (1.1.1 to 1.1.9) in the
ANSWER BOOK, e.g. 1.1.10 D.
1.1.1
According to Lamarck's theory for evolution, ...
A acquired characteristics are not inherited.
B
C
organisms evolve because they adapt to their environment.
there is variation amongst offspring.
D environmental changes have no influence on species diversity.
The genotype for a specific characteristic...
contains two chromosomes.
1.1.2
A
B
is the physical appearance of an individual.
C
is the composition of a gene pair.
1.1.3
C
D is represented by one allele.
After the discovery of a fossil, scientists classified it as an
African ape because it had a ...
large cranium, a prognathous jaw and large canines.
small cranium, a non-prognathous jaw and large canines.
small cranium, a prognathous jaw and large canines.
large cranium, a prognathous jaw and small canines.

Acquired characteristics are not inherited: According to Lamarck, acquired traits during an organism's lifetime are not passed on to offspring.
Genotype for a specific characteristic: Refers to the genetic makeup of an individual for a particular trait.
Classification of a fossil: Lamarck's theory influenced early classification based on acquired characteristics like the example of the African ape.

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