What is not a necessarily a characteristic of life? Responsiveness to the the environment

Cellular organization

Growth and development

Reproduce

Genetics: passing traits onto offspring

Evolution

Metabolism

Movement

Homeostasis

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca