Topic
Q:
The functions of the cerebral cortex are organized into motor functions and sensory functions and their \( \square \) areas.
Q:
4. What type of growth is seen on this graph?
5. What are some factors that might affect the growth of a population?
he factors that affect a population change its Carrying Capacity (k). Carrying capacit
efined as the population size that an environment can sustain.
6. Draw a graph below that is being affected by carrying capacity.
Q:
Why is genetic variation important for species survival?
It ensures offspring are identical to the parents
It allows populations to adapt to changing environments
It decreases the chances of survival in new environments
It prevents the formation of new traits
Q:
Recall that ecologists are biologists who specialize in the study of how species
interact within a population. On this worksheet you will look at some of the things
ecologists look at when they study populations.
1. What are some factors that you think ecologists might study when it comes to
populations?
2. What is growth rate (r)?
3. Draw the shape of the graph that the population growth in Victorian England would
have reflected:
Q:
Which process reduces the chromosome number by half in reproductive cells?
Mitosis
Fertilisation
Pollination
Meiosis
Q:
What is the primary role of DNA in reproductive cells?
To produce energy for the cell
To store genetic information for development and reproduction
To transport nutrients to the cell
To create enzymes for digestion
Q:
Why is genetic variation important for the survival of species?
It ensures all offspring are clones of the parent
It helps species adapt to changing environments
It prevents reproduction from occurring too rapidly
It guarantees the survival of only the strongest offspring
Q:
What is a characteristic of asexual reproduction?
Offspring have genetic variation
Two parents contribute genetic material
Offspring are genetically identical to the parent
It occurs only in animals
Q:
Which part of a flower contains the ovules?
Stamens
Petals
Pistils
Sepals
Q:
What is the main function of male gametes (sperm) in animals?
To provide nutrients for the embryo
To transport genetic material to the egg
To produce pollen
To form the placenta
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