3 marksFoundation4.7.2.1 Levels of organisation
A food chain on a farm is: grass → rabbit → fox.
.1What is the grass in this food chain?
[1 mark] .2What do the arrows in a food chain show?
[1 mark] .3In a stable community, what usually happens to the fox population after the rabbit population increases?
[1 mark] 3 marksFoundation4.5.3.1 Human endocrine system4.5.3.3 Hormones in human reproduction
Hormones are chemicals secreted by endocrine glands.
.1Name the gland in the brain that is often called the 'master gland'.
[1 mark] .2Which gland produces insulin?
[1 mark] .3How do hormones travel to their target organs?
[1 mark] 3 marksFoundation4.6.3.2 Fossils4.6.3.1 Evidence for evolution
Fossils are the remains of organisms from millions of years ago, found in rocks.
.1Which two are ways that fossils can form? Tick two boxes.
[2 marks] .2Why are there few fossils of the earliest forms of life?
[1 mark] 4 marksFoundation4.6.1.1 Sexual and asexual reproduction4.6.1.2 Meiosis
Organisms reproduce sexually or asexually.
.1Which statement describes asexual reproduction?
[1 mark] .2Which two are gametes in flowering plants? Tick two boxes.
[2 marks] .3Name the type of cell division that produces gametes.
[1 mark] 3 marksFoundation4.7.1.2 Abiotic factors4.7.1.1 Communities4.7.1.3 Biotic factors
The distribution of organisms in a habitat depends on abiotic and biotic factors.
.1Which two are abiotic factors? Tick two boxes.
[2 marks] .2Which resource do plants in a community compete for?
[1 mark] 