The image shows a week-old chick embryo. What can you conclude about its current stage of development? (More than one answer) A] A spinal column is present.
B] The chick will develop four limbs and a beak.
C] It's an invertebrate.
D] It's sexually mature
E] It's about to undergo a metamorphosis.

1) A spinal column is present.

Explanation:

1 and 4

Explanation:

I did the test

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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