Using an alternative C4 pathway, desert plants photosynthesize early in the morning in order to generate energy when it is cooler and more moist. Later in the day photosynthesis slows and stomata close in order to conserve moisture.
The early suggestion that the oxygen (O2) liberated from plants during photosynthesis comes from water was first published by Melvin Calvin, who also discovered the Calvin cycle. It was confirmed by experiments using oxygen-18 (18O).
sleep at p.m.
They produce glucose which is then used for cellular respiration. (Glucose is chemical energy, it has high energy bonds, which when broken in cellular respiration produce a net of 38 ATP (adenosine triphophate))
Early algae, early bacteria, jelly-fish like aminals, sea pen
What prevented early plants from moving far from water is that they dried out easily.
Camels Feed On Desert Food Like: .Cactus .Grass .Desert Plants
Some desert animals hunt in the early morning, some early evening while others hunt at night. Those that hunt in the morning and/or evening are called crepuscular. Those that hunt at night are nocturnal.
Photosynthesis by plants
The hot desert is quite cool and comfortable in the early morning hours but as the sun rises higher it gets very hot quite quickly.
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Smaller amounts of water evaporate in the cool morning.
Many animals in the desert will be most active in the early morning, late evening and at night.
The early suggestion that the oxygen (O2) liberated from plants during photosynthesis comes from water was first published by Melvin Calvin, who also discovered the Calvin cycle. It was confirmed by experiments using oxygen-18 (18O).
The desert never sleeps. Some animals are active at night, some in the early hours of the morning and others are active during the day.
The desert tortoise spends as much as 95% of its life in a burrow to escape the harsh desert climate. It only emerges in the early morning hours to feed.
watering in the evening usually prevents the water evaporating, and early morning is to prevent it from frosting/freezing up...
As the number of plants that photosynthesize increased, the rocks in the ocean became covered with these primitive plants. They looked green due to the presence of the plants.