Dinosaurs came in many different shapes and sizes, and they also had a variety of diets. Most dinosaurs ate plants, with the very large dinosaurs eating leaves from the tops of trees and smaller ones eating plants and bushes growing close to the ground. Rocks that contain dinosaur bones also contain fossil pollen and spores that indicate hundreds to thousands of types of plants existed during the Mesozoic Era (70 million to 220 million years ago). Many of these plants had edible leaves, including evergreen conifers (pine trees, redwoods, and their relatives), ferns, mosses, horsetail rushes, cycads, ginkos, and in the latter part of the dinosaur age flowering (fruiting) plants. Some dinosaurs were meat eaters, with most hunting other animals for food and some being scavengers who ate the flesh of dead animals they encountered. The hunters preyed on plant-eating dinosaurs and even on each other. Smaller meat-eating dinosaurs fed on other animals, like insects, lizards, and mammals. Evidence suggests that some dinosaurs hunted in packs, while others lived solitary lives.
- Which was the smallest dinosaur?
- What does the word dinosaur mean?
- Which was the biggest dinosaur?
- When did the dinosaurs live?
- What is the Sun made out of?
- When did the woolly mammoths live?
- Will animals and plants that die today become fossils?
- Have scientists ever discovered an entire animal fossil?
- What were the first animals to appear in water and on land?
- What were the first primitive plants to appear on land?
- What are fossils?
- Which country pollutes Earth the most?
- What is Earth Day?
- What is acid rain?
- Why is it important to conserve water?
- Why do stars twinkle?
- Why is it important to recycle?
- What does the slogan “Reduce, Reuse, and Recycle” mean?
- How much garbage do we throw away every year?
- Do people still mine for gold in America?
