Oceans (Biomes) by Heather C. Hudak

By Heather C. Hudak

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A former elementary science teacher, she is a nationally known science educational consultant. Markle has received many honors for three recent series—Animal Predators, Animal Scavengers, and Animal Prey—that take a look at a variety of animals in nature’s food chains. Several titles have been named as National Science Teachers Association (NSTA)/Children’s Book Council (CBC) Outstanding Science Trade Book selections, and the Animal Predators Series was honored as a Top 10 Youth Nonfiction Series by Booklist.

She also throws up her front legs in a MANTIS FACT threat display. She flutters her wings. They make a hissing sound. Startled, the bird swerves and flies away. The praying mantis’s defensive action worked! 30 Praying mantises can see movements as far as 60 feet (18 meters) away. That gives them time to react to prey and predators. During the day, birds hunt flying praying mantises. At dusk, there are other winged enemies—bats. Bats hunt by giving off high-pitched sounds. Then they listen for echoes.

The more insects she eats, the fewer insects there are to damage crops. MANTIS FACT Some species of praying mantises deposit as few as 30 eggs in one egg case. But those kinds of mantises usually produce lots of egg cases. That way, if one is destroyed, the rest stay safe. 36 Inside the egg case, the baby European praying mantises are already developing. But they won’t hatch until the weather warms up in the spring. Lots of other young insects will hatch then too. The praying mantises will have lots of prey to catch.

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