Texas TEKS 1.13.B
The Standard
record observations of and describe basic life cycles of animals, including a bird, a mammal, and a fish
Texas Essential Knowledge and Skills for Science
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students observe how a bird, mammal, and fish change as they grow. They record what they see with labeled drawings, words, or simple charts, then put life stages in order.
What Mastery Looks Like
- Students can sequence the life stages of a chicken, dog, and goldfish from young to adult. They can describe visible changes and use observations as evidence.
Common Misconceptions
- Students may think every animal hatches from an egg or that young animals look exactly like adults. They may also treat growth as a straight line and forget that adults produce young.
How to Assess It
- Give students shuffled picture cards for a chicken, dog, and goldfish. Ask them to order each set and write one change the animal shows.
Lesson moves
Ways to Teach It
Use clay to build young and adult models of a chicken, dog, and goldfish, then label the changes.
Show two life stage photos and ask, “What changed, and what stayed the same?” Students write or draw two observations.
Play a sequencing relay where teams arrange animal life cycle cards and explain one placement before earning a point.
Examine pet care records or aquarium photos to track how an animal’s size, body features, and needs change over time.
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Printable 1.13.B Worksheet
A ready-to-print activity worksheet aligned to 1.13.B, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- 2.13.B
record and compare how the structures and behaviors of animals help them find and take in food, water, and air;
- 2.13.D
investigate and describe some of the unique life cycles of animals where young animals do not resemble their parents, including butterflies and frogs.
- 2.13.C
record and compare how being part of a group helps animals obtain food, defend themselves, and cope with changes; and
- K.13.C
identify and record the changes from seed, seedling, plant, flower, and fruit in a simple plant life cycle; and
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