Coordination and response
Excretion and homeostasis
Reproduction in plants
Reproduction in humans
Chromosomes, genes and proteins
Variation and selection
100
What is stimulus?
Changes in organisms environment that makes it feel
100
What is urea?
A product made by liver from excess amount of amino acids and proteins
100
Tell cell name which has two complete set of chromosomes
diploid
100
Where egg cell is born in human body?
Ovary
100
What DNA is made from?
Proteins and amino acids
100
Differences between individuals belonging to the same species are called...
Variation
200
What is going on here?
A connection between two neuron cells (synapse).
Vesicles bring neurotransmitters to the end of axon and receptors catch it.
200
What is that?
Kidney
200
What egg cells in plants?
Ovule
200
Why egg cell needs jelly coat?
To let go in only one sperm egg
200
What is phenotype?
Features of any organism
200
What is discontinuous variation? Give examples
Organisms features that may belong to different categories
300
What is blind spot in humans eye?
Optic nerve end retina connection
300
What is set point? Give examples
A range of normal values
300
What is opposite type of pollination to wind-pollinated flowers?
Insect-pollinated
300
What body part sperm cell has that is uses to move?
Flagellum and mitochondria
300
What is genotype?
genes that an organism posses
300
What is continuous variation? Give examples
Organisms features that maybe measured
400
What are rodes and cones in humans eye?
Rods therefore allow us to see in dim light but only in black and white, while cones give us colour vision.
400
Body releases this hormone when glucose level in blood stream is low
Glucagon
400
Is carpel male or female flower part?
Female
400
Why male body needs prostate gland?
To make fluid (sperm) where sperm cells swim in
400
What is an allele?
form of a gene
400
What is a cause of genetic variation that happened without a reason?
Mutation
500
Where hormones are produced?
Glands
500
What is glomerolus?
Smallest kidney part where blood is filtered
500
Gametes are made by meiosis or mitosis?
Meiosis
500
What is amniotic fluid?
Liquid that helps fetus to develop
500
What are chromatids?
Two identical threads joined together in chromosome
500
A feature of an organism that is caused by its genes, and that helps it to survive and reproduce in its environment, is known as an...
Adaptive feature