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I did an _______ workout at the gym today.
We are studying the differences between aerobic and anaerobic ___________.
A simple, non-flowering aquatic plant.
The councils new plans aroused some anger in the _________.
____________ is the range and number of species in an area.
The synthesis of organic compounds by bacteria or other living organisms typically in the absence of sunlight.
Chlorophyll: a green pigment, present which is responsible for the absorption of light to provide energy for photosynthesis.
Emily was the first entrant in the ___________.
It would go against company policy to share ________ information.
Cutting down or burning trees in forests.
A biological community of interacting organisms and their physical environment.
The __________ species is at risk of becoming extinct.
The dodo was a flightless bird which is now _______.
Many natural habitats are being destroyed by humans.
The specific area where an organism inhabits.
Quartz is a hard transparent _______.
The world's __________ has reached 7 billion.
A soft silvery-white reactive metal of the alkali-metal group.
