What description explains how a flower produces a seed? (2 points) Group of answer choices

1.After the stamen produces pollen, the pollen is moved to the petal to produce a seed.

2.As pollen travels down the stamen, fertilization occurs and a seed is produced.

3.When the ovule receives pollen, fertilization occurs and a seed is produced.

4.When the stigma receives pollen, a seed is produced and then fertilization occurs.

Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the

1. the passing of is the basis of heredity. 2. our encode the instructions that define our traits. 3. each of us has thousands of genes, which are made of and reside in our chromosomes. 4. in addition to our genes, the we live in also define our traits. 5. humans have two complete sets of chromosomes. 6. when parents conceive a child, each parent contributes set of chromosomes. 7. every child receives of its chromosomes from the mother and half from the father. 8. this transfer takes place at when the father’s sperm joins the mother’s egg. 9. while most cells in our bodies have two sets of chromosomes, or a total of egg and sperm each have chromosomes. 10. when egg and sperm unite they create a single cell called a 11. each parent contributes complete set of chromosomes to their child. 12. since the parents contribute the chromosomes to each new child, every child inherits a unique set of chromosomes. 13. as a result, every baby will have a combination of traits.

Plz ! ive been stuck on this forever