flowers

/Tag: flowers
10 09, 2017

Maya gods and rituals – Central American religion

By |2017-09-10T13:09:15-07:00September 10th, 2017|Central America, Religion|0 Comments

Maya pyramid at Tonina (ca. 700 AD) Maya people believed that the world was created by One Deer. One Deer created the mother and father of the gods (like Brahma and Gayatri or Gaia and Kronos). Then the mother and father created many other gods. They created the gods of the crops like the Corn God, the god [...]

21 07, 2017

What is Hinduism? A religion of India

By |2019-09-18T07:44:50-07:00July 21st, 2017|India|2 Comments

Hinduism: Arjuna fighting Karna, with Krishna as his charioteer (Duttapara Temple, ca. 1500s AD) What does "Hindu" mean? The word Hindu comes from the river Indus. So it just means the people who live near the Indus river (actually in modern Pakistan). Indian environment Religions of India All our India articles Harappans and Hinduism [...]

24 06, 2017

Devonian Period – Gondwana, ferns, lungfish

By |2019-05-07T05:56:55-07:00June 24th, 2017|Biology - Evolution, from cells to modern mammals, birds, and reptiles, Geology|0 Comments

Coelocanth: a fish from the Devonian period When was the Devonian period? Four hundred and sixteen million years ago, when the Silurian period ended and the Devonian period began, most of the land on Earth was clumped together into a supercontinent called Gondwana. Silurian period Plate tectonics All our geology articles Life in [...]

24 06, 2017

What happened in the Cretaceous Period?

By |2019-04-29T06:34:15-07:00June 24th, 2017|Geology|0 Comments

Volcano erupting When was the Cretaceous period? During the Cretaceous period, beginning about 145 million years ago, the continents continued to drift away from each other. Plate tectonics Back to the Jurassic Summary of geological eras All our geology articles What happened during the Cretaceous? Because the continents were separated, mammals, birds, and [...]

23 06, 2017

Where do sunflowers come from? North America

By |2018-06-01T10:58:55-07:00June 23rd, 2017|Food, Native American|0 Comments

Wild sunflowers or Black-Eyed Susan flowers Where do sunflowers grow wild? Sunflowers grew wild all over North America. From the Paleo-Indian time on, many different groups of people picked sunflowers and ate the little seeds. Where do sunflower seeds come from? Sunflower seeds grow in the middle of the flower, packed tightly together. They are [...]

30 05, 2017

Looking at flowers – Angiosperms project – Biology

By |2018-04-16T10:36:08-07:00May 30th, 2017|Biology - Evolution, from cells to modern mammals, birds, and reptiles|0 Comments

Daffodil with petals and pistil in the middle. Take a long walk around your neighborhood and the park in the late spring and look at all the flowers you see. Can you find ten different kinds of flowers? What does each of these flowers do to attract bees? Is it their color? Their [...]

30 05, 2017

Flowering plants – Evolution and Biology

By |2019-06-11T04:54:00-07:00May 30th, 2017|Biology - Evolution, from cells to modern mammals, birds, and reptiles|1 Comment

Flowering plants: Lavender flowers smell wonderful! Before there were flowers... For millions of years, the Earth was covered with ferns and pine trees and moss and mushrooms, without any flowers, grass, or fruit. Gymnosperms What is moss? What are mushrooms? Evolution of ferns All our biology articles When did flowers evolve? But about 120 [...]

30 05, 2017

Seeds – Plant reproduction – Biology

By |2018-04-13T17:51:52-07:00May 30th, 2017|Biology - Evolution, from cells to modern mammals, birds, and reptiles|0 Comments

Evolution of seeds: Dandelion seeds What is a seed? A seed is the egg cell of a plant, with a hard wrapper around it so it can survive on its own. The earliest plants with seeds evolved from plants with spores during the late Devonian period, about 360 million years ago. The seeds [...]

30 05, 2017

Plant reproduction – Biology – Science

By |2018-04-13T17:52:39-07:00May 30th, 2017|Biology - Evolution, from cells to modern mammals, birds, and reptiles|0 Comments

Cell division The very earliest photosynthesizing plants on Earth, about 3 billion years ago, had only one cell, and they reproduced the way most one-celled creatures do, by mitosis: splitting themselves in half. By about two billion years ago, some of these cells began to split themselves in a more sophisticated way, called [...]

30 05, 2017

Haploid and diploid cells – Plant reproduction

By |2018-04-13T17:05:53-07:00May 30th, 2017|Biology - Evolution, from cells to modern mammals, birds, and reptiles|0 Comments

Human sperm cells with flagella (under a microscope) - They're haploid cells. When a cell divides by meiosis, it ends up with only half the amount of DNA it had before. That is a haploid cell. When two haploid cells join together to make one new cell with the regular amount of DNA, that's [...]