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WorksheetsDay 3
Total questions: 6
Worksheet time: 6mins
13. Genes that are responsible for new traits that help a species survive in a particular environment will usually-
Increase in frequency
Decease gradually in frequency
Not change in frequency
Decrease rapidly in frequency
14. Taxonomy is a scientific field involving-
the study of relationships between organisms.
the study of microorganisms and their metabolic pathways.
the classification of organisms based on similarities and differences into a hierarchal system.
the examination of genes and heredity to show how pieces are passed on to offspring.
15. The brain signals the body of an animal to move by transmitting electrical impulses through the neurons. They are then able to walk or run because-
the muscles of the muscular system work with the bones of the skeletal system.
the glands of the endocrine system system work with the skin of the integumentary system.
the heart of the circulatory system works with the stomach of the digestive system/
the kidneys of the excretory system work with the white blood cells of the immune system.
16. The diagram is a classification key for fungi and bacteria. Which group of organisms doesn't produce spores and is photosynthetic?
Chloroflexi spp.
Pholiota spp.
Spirochaetes spp.
Mycena spp.
Four structures are shown, which one is an amino acid?
A.
B.
C.
D.
In a photosynthetic reaction, enzymes act to-
speed photosynthesis.
determine whether a cell will engage in wet or dry photosynthesis.
determine whether a cell will engage in photosynthesis or cellular respiration.
slow photosynthesis.
