The most useful climate indicators from plant fossils include which of the following select one: a. size of leaves b. shape of leaf margin c. type of plant d. plant diversity in a given fossil e. all of the above in the cenozoic era, these were the most successful type of plants. select one: a. angiosperms b. cycads c. gymnosperms d. horsetail ferns e. tree ferns

1. The most useful climate indicators from plant fossils include -  size of leaves , shape of leaf margin ,  type of plant , plant diversity in a given fossil

Answer - e. all of the above .

2.  In the Cenozoic Era, a. angiosperms were the most successful type of plants.

Explanation:

1. Depending upon the temperature , evaporation levels leaf size and margin shape varies, type of plant is also used for age and climate estimation . Diverse number of plants are used in paleoclimate studies  .

2. angiosperms -

In Cenozoic era ,

angiosperms are the largest and the most diverse group of the kingdom Plantae  , and the most successful flowering plants .