Q1. Fill in the blanks. a. Very small organisms that can only be seen under a microscope are called as .
b. The shape of the Sprillium type of bacteria is.
c. andare the two cropping seasons in India based on the seasons.
d. The process of loosening and turning of soil is called.
e. fibres are prepared using chemicals.
f. A fabric that is made by mixing two different fabrics is called asfabric.

​

Why is excretion necessary to maintain homeostasis?

Which statement best describes the role of religion and culture in ancient medicine?

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.